This was my thinking here - yes, it has flaws in the approach, but it also gets me out of the main buckets that spammers will hit, and ad brokers will generally

This was my thinking here - yes, it has flaws in the approach, but it also gets me out of the main buckets that spammers will hit, and ad brokers will generally be selling. It's a little friction, that maybe goes a long way. Pretty hard to actually evaluate though. Gives me the warm and fuzzies and I got to play around setting it up, so all good there.