The root problem is how to decide what idea is incorrect. Usually this is decided by a public debate, where multiple people express their opinions, and the issue is concluded after reading and being exposed to the different perspectives. The problem with social media platforms censorship is that it is decided very quickly by a small group of people, without understanding the full scope of perspectives on the matter.

This is why:

> you stop the spread of incorrect ideas

is a dangerous method - you do stop the spread, but who says you do it right?