Nvidia aren't doing this as a kind gesture to all us gamers, they're doing it because they are scared of what AMD has coming on Wednesday and want to reclaim some mindshare.
Look how long they have resisted this move despite all the reasons against and now suddenly they are going to support it?
There is definitely more to this than Jensen is saying publicly imo.
Along with some pretty fabulous Ryzen 3000 rumours that should have Intel sweating buckets there is also a 7nm Navi rumour, apparently RTX 2070 levels of performance for around $250 to $300.