No, you can’t force other people to change. You can, however, change just about everything else. And usually, that’s enough.
When I go to a library and I see the librarian at her desk reading, I'm afraid to interrupt her, even though she sits there specifically so that she may be interrupted, even though being interrupted for reasons like this by people like me is her very job.
Even among those who I would not count as 'friends,' I have met many people online who have simply commented on my work or are interested by what I do.
There's all sorts of stuff people want to publish anonymously.