The true focus of SGI leaders: “Nichiren Daishonin was a great influence but now it's time to move on to the superior teachings of the Soka Gakkai and the Three Presidents.”

Sums up the current state of things rather nicely, doesn't it? Source

That IS the new SGI religion post-excommunication. I already explained how the SGI had to create a new religion, because Nichiren Shoshu excommunicating them meant they could no longer piggyback on Nichiren Shoshu's legitimacy as an established religion for their own status as an independent religious corporation.