The unfortunate side of AMD in laptops is that we are on a major point of deprecation and change. […] it doesn’t have a massive impact for gamers […] The average gamer doesn’t really interact much with this stuff.
Quite a long bit of anti-AMD FUD and NVidia promo for what is completely unrelated to OP’s question, as you outright say with two sentences. OP asked about gaming notebooks and not CUDA.
you need to run Fedora.
OP said to wish to use Manjaro Gnome. Basically you’re like “I’m throwing a bunch of mud against AMD for a use case you’re not interested in and then go ahead and tell you that your choice of OS is wrong.”