I agree that many coaches are not able to help students with recovery but many statements in your comment aren’t factually true.
Tara Lipinski was not coached by Frank Carroll she was coached by Richard Callaghan. He is currently banned by the USFS. His methods were probably very similar to Eteri. He screamed and weighed students all the time. He also sexually harassed students which is the reason for his ban. Most of Frank’s students on the other hand had quite long careers. Michelle Kwan, Linda Fratianne. The students who left him did not leave broken they continued to compete. He is known as a very calm, serious coach. The focus on weight is a problem with the entire figure skating community.
Also, Gabby is not really coached by Orser. She is coached by Lee Barkell. But, she has been competing since 2012 so she has not has a short career. She has been highly inconsistent throughout her career and has not been dropped by her coach. Most successful Orser students have been able to compete for years.
Rafeal Artunian also has female figure skaters who compete for years.
Some coaches are similar to Eteri in that they only have success ( up to this point— the technque has gotten better maybe someone from 3A will survive puberty) coaching kids. But, you are making a false equivalency to all other coaches. Mishin and Moskvina ( certainly great coaches) are not the only coaches who successfully coach adults. Most coaches do. Just not Eteri up to this point.
Oopsy, i don't know how that came out, sorry for the mistake but the point still stands about how all these top coaches take skaters (at what age depends on the methods) and as soon as they are not competitive, they're out. (either ignoring them, or sometimes directly asking them to leave)
I don't recall Eteri screaming and sexually harassing students, so again all these unverified bold claims.
Brian Orser is listed as Gabrielle's second coach, so technically he's coaching her, he sits with her in the KnC during the most important competitions (Worlds, Nationals) and in the past i recall him taking the merits for bringing her to the podium at Worlds (just sayin')
With Mishin and Moskvina i said something completely different: not just that they teach adult coaches, but they take not very great talents and actually try to make them competitive. Look at Mishin this season: you probably know Samodurova and Tuktamysheva but this season that group actually really tried to make everyone successful, even the boys. And it's worth noting that Samodurova (as talented as she is, one of my favourites) has never been one of their best talents from Russia and now she is European Champion, a title more popular previous talents like Sotnikova, Sotskova or Radionova never won.
Other coaches also take weaker skaters but often as a way to experiment things they then maybe apply to their top students, or they take them to make money but not with the goal of making them successful for real.
About Eteri, at this point we know her way of coaching and i don't believe there is much else we don't know: she created from the start a super competitive environment of very young girls and boys with the goal of making everyone successful, trying new things with them and learning by their mistakes and then correcting these mistakes with the next generations. If you re-read Polina Tsurskaya's interview she did earlier this season, you'd realize that they created a group that is so competitive where the skater doesn't really need someone who screams at him/her, they see the next generations doing things better than them every single day in the rink, so it's either try to close the gap and work more (and risk) or rest and stay behind.
I agree that's not everyone, if you like more mature skaters this is not your cup of tea, but that's her system and the results speak for themselves.
If you look at junior nationals you understand why she is so obsessed with 12-13 years old: everything looks perfect (look at Valieva's SP), it's too early for the skater to actually think about what they're doing so they just do it.
At the end of the day she is pushing the sport forward more than any other coaches before her, it's unprecedented (cause yes the sports evolved in the past but not this fast), and as much as other coaches can bash her, she brought the best results in figure skating in Russia of the past 4-5 years, she earned that position and RusFed knows that group pushes the others to work more, if you start to bring someone else in that position, Russia will lose dominance in ladies figure skating. It's a very cynical pragmatic way to see things, but it is what it is.