We need a "professional-courtesy" license. Something like a GPL on steroids that can only ever be distributed as tarballs.

The minute to pass a binary around, the minute you try to deploy with any sort of devops, etc, you have just opted-in for a commercial license, which requires a (modest) yearly fee.

This way, your generosity will gain jobs for a fellow hackers somewhere. Takers still can pay for the benefit of convenience, though.