As a European, I’m glad that the influence of big, potentially dangerous companies is being kept in check. From the start of October, Meta is completely switching off political ads and now I can look forward to my feed stopping with tabloids, politics and Russian propaganda and going back to technical curiosities and capybaras.
Why don't you just stop using Facebook, if you don't like it?
This comment is akin to asking farmers cut off from repairing their equipment "why don't you buy tractors from a different company instead of fighting to fix your existing ones?"
The investment in the case of social media is the network you've built. In my country most local events are announced primarily on facebook for example.