Hey, is there any evidence that they aren't?

There's plenty of evidence that everyday people are swayed by something and it sure as heck isn't what the trans advocacy side has been doing in the U.K. for the past five years: https://yougov.co.uk/topics/society/articles-reports/2022/07/20/where-does-british-public-stand-transgender-rights

It's not looking terribly much better in the U.S..

The standard approach has not been working.

I think you're right that humanizing helps because humanizing almost always helps. However, saying that others are nonobviously committing genocide is not a good way to humanize the speaker.