>Should we just abolish the idea of a free market of ideas?
Not all ideas are the same. The free market of ideas is a concept that promotes exploration and competition between ideas. However, some ideas are, on their face, intentionally manipulative. If we look up the 14 words or other rhetorical devices typically deployed in disinformation and propaganda efforts, we can identify a lot of soundly anti-social noise in the general pro-social marketplace of ideas.
Someone refusing to pay ad revenue dollars to monetize a flat earth, anti-vax, or white supremacist message isn't saying 'ideas are bad and we should not have them'. They're saying 'we explored these ideas, and I have judged them. They didn't win the competition'.
This IS the competition inherent in the marketplace of ideas. To remove this does not promote competition in the marketplace; it banally removes it, replacing it with a nihilist 'no idea is better than any other' position.