PS5 will get the next Monster Hunter game and probably Dragon Quest 12 too given its using Unreal Engine 5, both massive system sellers.
PS5's situation now is not indicative of its long term prospects because it's situation now is the result of a severe chip shortage that will not last forever.
Long terms prospects without analyzing the market now is wishful thinking.
Losing the Japanese market and East Asia market.
Stronger competition ( Switch and Xbox Series)