Screen cap and report them.
The people who operate the platform have spent a lot of time and money improving it.
You can reverse pre loaded images easily now. Used to be you couldn't.
I'm reasonably sure they don't want to see active users leave their platform and go somewhere else because 3 Lefty users are Malicious.
Every time you share a meme you lead people back here.
That's how I came here years ago.
Imgflip is better and easier to use.
I've got 5000 followers on one Social Media platform. Used to be I could post a meme there and it'd beat me back to Facebook shared by people I didn't know on a free speech platform.
If you make good memes you bring Trafick to their web site.
It's monetized with ads now.
People who make good memes and share them bring them money.
Malicious trolls who harass and chase people off? There is no profit in that.
There is a link where you can report problems.