What multiplatform games will take full advantage of PS5 SSD? Most games aren't open world to begin with and even the ones that are isn't really that fast paced. Hell, the xbox one x can handle forza horizon 4 at 4k just find when cars are going over 200 mph.
Devil May Cry V and Final Fantasy 7 Remake both have irritating load times. Simple example how a faster SSD can benefit non open world games.