The ads are a window into a blatantly illegal underground economy that Meta is not only failing to moderate, but is actively profiting from and injecting into users’ feeds.
How does that do anything for the problem the author writes about, though? They're not complaining about their own feed being spammed with this stuff, they're complaining that it's so rampant in the first place and that Meta does little to nothing to prevent it.
It would not help with getting you better suggestions, that's all done by Google algorithm, cannot change that. ReVanced comes with various other QoL things, main ones being blocking ads and Return YouTube Dislike integration.