But the final nail in the coffin is that simply put, 99% of the posts are from people who know it's public, don't care, and intentionally fill the description with stupidity. I can't count the number of times I've gotten venmo payments sent to me with salacious descriptions.
If you're actually breaking the law you are probably fine because far more people are just screwing around and you'll blend right in. And also, if you are breaking the law and think it's a good idea to admit that repeatedly via internet payments, maybe you aren't the brightest.