Ice dancers are figure skaters. And most do start off as singles skaters, if that is what you are trying to say. The inference, however, that they weren't able to cut it as singles skaters is a flawed generalization. Ice dancers generally excel in different aspects of skating. Expression. Performance. Strong skating skills. Footwork. Precision. The ability to work with a partner. Many of them are highly invested in the music and the ability to express what they wish to say on the ice. And most transfer from the singles aspect of the sport to ice dance at a young age, though some compete in both for a longer period of time.
Ice dance can be learned later. It is a long-lived discipline, which is one of the beautiful things about the sport.
However--and this is a big however--athletes who take up the discipline later in life will be competing against athletes that have been competing in dance, within this specialty, at a much younger age. So while you can absolutely become an ice dancer late, that does not mean you can become an ice dancer at the level required to be competitive. Especially in a country like Russia, where there are already five/six junior dance teams at a level capable of medaling on a JGP.
You do see athletes competing at the international world level who began dance quite late. I believe Alper Ucar of Turkey and Yura Min from Korea are two of them. But . . .
1. It is easier to succeed when you have a partner who has been competing within the discipline for most of his/her life.
2. You have to have something to offer in order to get such a partner. Like citizenship in a country with a rapid citizenship process and little competition. Or perhaps being a taller man who can skate with a tall girl.
3. Even if you find such a partner, you are likely going to have to be better than Agafanova & Ucar or Min & Gamelin in order to make a World team for a country that is a major ice dance power.
I wish Adian & Alisa the best. Perhaps one or both of them will, indeed, buck the odds. You have to start somewhere. It is an incredible task they have set for themselves and a beautiful discipline within the sport.
But it is a monumental task they are undertaking if they wish to reach the elite level of ice dance in Russia. Not one that should be minimized.
I don't need your apology, and I don't think you got my point either. Mind-reading or reading between the lines is not easy at any time. 
