> I've spent time writing about an encounter I can with someone I know for 20 years and you just called me a lier because the story sounds improbable to you

If that was all you did I wouldn't have commented. Sounds plausible in itself. But you wrote this

> It's especially obvious when the same people advocate for free access to drugs, alcohol or gambling

It's pretty clear your comment is extrapolating a single encounter into a larger statement about a fictional group of people. The anecdote was just a way to say "people like this also do this."