I work with C8 because the Genesis system doesn't interest me.
I'm not either a purchaser of all that is on the market, Carrara (and other programs associated) works well for what I make.
I believe that it is a normal evolution, I simply takes for example the .3DS objects, now it is .MAX and Carrara doesn't want it.
The users of old versions of 3DS MAX cannot use  .MAX files either since they didn't exist at the time of the release of their version.
As in all the fields, it is the law of the market, you adapt or you remain with your old system (as long as Windows or Mac accept your old program).
But you are not the only one to hanging with what you control well, I'm with you and much of others users too !