Why haven't I received my signature campaign coins yet?

Address : 0xeeb5d928b466475395af545a87c5fbfcfe0188da
Uh because you have 2 signatures in your signature. That's not how signature campaigns work.
Greedy, is suitable word for this person. It's rarely, usually a project did not allowed bounty participant to promote 2 project directly. So, it's clear why this person does not receive a payment.