It's unclear whether it's required. What is very clear, is that a large, well funded, effort on the right seems to be out performing the efforts of the left.
I think, it's safe to assume that there is a numbers game at play here. Money provides search optimization, higher production values, more creators able to spend more time on content, bot armies promoting content, generating likes, subscriptions, and comments.
If that is possible to recreate through pure grass roots efforts we haven't seen it.