Nothing about this change prevents Facebook from serving ads! Opting out doesn't remove ads, only tracking.
Seems to me like using something else would be easier, or at least make for a happier life.
Like if I don't like spinnach but I really need to get some fiber, it seems like the simpler option is to find another way to get fiber, rather than eating spinnach while constantly moaning to the whole world how spinnach is just the worst.