woo calm down, i wrote a similar post but if you look at the results they are winning medals. They could have done even more than that but the results are still quite amazing, and the japanese wonder kids aren't even close to this:
GPF 2013 - Julia Lipnitskaya 2nd place (Elena Radionova 4th)
Euro 2014 - Julia Lipnitskaya 1st place, Adelina Sotnikova 2nd place
Olympics 2014 - Adelina Sotnikova 1st place
Worlds 2014 - Julia Lipnitskaya 2nd place (Anna Pogorilaya 4th)
GPF 2014 - Elizaveta Tuktamysheva 1st place, Elena Radionova 2nd place
Euro 2015 - Elizaveta Tuktamysheva 1st place, Elena Radionova 2nd place, Anna Pogorilaya 3rd place
Worlds 2015 - Elizaveta Tuktamysheva 1st place, Elena Radionova 3rd place
GPF 2015 - Evgenia Medvedeva 1st place, Elena Radionova 3rd place
Euro 2016 - Evgenia Medvedeva 1st place, Elena Radionova 2nd place, Anna Pogorilaya 3rd place
Worlds 2016 - Evgenia Medvedeva 1st place, Anna Pogorilaya 3rd place
GPF 2016 - Evgenia Medvedeva 1st place, Anna Pogorilaya 3rd place
Euro 2017 - Evgenia Medvedeva 1st place, Anna Pogorilaya 2nd place
Worlds 2017 - Evgenia Medvedeva 1st place.
So "they keep failing in seniors" -> absolutely wrong.
The Japanese, of course, don't compete in Europeans. They have been just as dominant at 4CCs as the Russians have at Euros. And except for Medvedeva, all of the skaters you listed have proven to be inconsistent. Med was the only Russian on the World podium in 2017 and the only one in the top six.