I mean, its probably an advantage to devs who are used to PC, meaning Xbox versions might run slightly better then ps5 if its a game also on PC.
That being said, we don't know how well PS's solution will do VERSES the xbox's DX12 implementation so...
Quote from digital foundry
" Every single developer I've spoken to developing for PS5 has been evangelising how easy it is to work for".
It takes genuine talent to see greatness in yourself despite your absence of genuine talent.