I fell into that rabbit hole thanks to the quarantine. I've been find it therapeutic: the simplicity of it is unbeatable. It gives me the same sense of speaking directly to the machine that assembly does, but at a higher level. I've also grown to love RPN.
I posted my project here just the other day: https://news.ycombinator.com/item?id=24604457 I had an absolute blast working on it, and I'm looking forward to my next Forth-related project (still deciding on what it's going to be).