I haven't read his comments or follow the KHL. So here's my question. Do proposed changes, restrict russian players from going to the NHL before signing contracts with russian teams?
If a young player is not under KHL contract or if he is an RFA by KHL rules, he can go to any other (foreign) league. The rule Fetisov proposed was aimed at more parity within the KHL, so that a few big clubs don't get all the top talent. I am not sure how practical it is for a young player in Russia to not to be under a KHL contract, but it is not much more practical than for a 18 yr old in North America. Although here, there is college route, if you don't turn pro at 18, and there isn't that route in Russia.
Also, folks over here tend to forget that the KHL is not an exclusively Russian league. There are several teams from other countries, even ones outside former Eastern bloc. So no Russian Federation law can govern all of the KHL players.