Intelligence pruning itself out of a malicious environment isn't really a great showcase of evolution.
It's not technically incorrect - we are changing, but a species actively taking steps backwards by inflating itself with idiots doesn't quite hit that stronger/faster/smarter progression that the concept of evolution implies.
It wouldn't be intelligence pruned. Plenty of smart people are committed to fighting for humanity, are prospering, and won't succumb to doomer echo chambers.
I wish their children and grandchildren etc the best of luck in finding comfort in the hellscape we're building for them. I have a feeling they won't find it in the knowledge that their grandpappy owned a boat or some shit, but I'm sure they'll be able to science-miracle their way out of all the problems the generations before them allowed to bottle up to a breaking point.
My own children will be happily non-existing, cuz I love them far too much to cast them into this dumpsterfire, especially as pawns against a horde of morons doing their damnedest to strip everyone's rights.
Evolution determined by mating is basically over for humans. In the time it takes a species to meaningfully change, humans will be genetically engineered.