And Jack Churchill captured Nazi outposts with a longbow and a broadsword, but if allies armed every soldier with longbows and broadswords, something tells me that we'd be under Nazi occupation to this day.
Some great things are done by great people, but they don't necessarily scale well.
This misses the point (that the author of OPs post nailed). It doesn't matter that it doesn't scale. It works, and censorship doesn't.
Do you want a (difficult) method that works (personal involvement and direct conversation), or a simple, easy, lazy one (deplatforming/cancel/censorship) that doesn't?
Some great things are done by great people, but they don't necessarily scale well.