Not really getting that impression from AMD. On the call Su talked up EPYC "Venice" (a series of x86 chips) as a major component of their Q4 and 2027 guidance.
Also beware of what you wish for, that is basically the end of PCs when it comes to be, the dream of OEMs, going back to fully vertical integration as all computers used to be in the last century, with exception of PC clones, thanks to IBM failing to control the ecosystem.
It didn't, other than in some niches.