I've spent the last 32 years pushing every employer I've had to contribute back to open source. Because of the sector I work in, more often than not I'm constrained by incredibly tight NDAs.

I can usually stop short of providing code and file a bug that explains the replication case and how to fix it. I've taken patches and upstreamed them pseudonymously on my own time when the employer believed the GPL meant they couldn't own the modifications.

If after all that you still want to label me a moocher at cons, that's your choice.