Shift4 review: Shift 4 bonus payouts

I worked with shift 4 to alert them of upcoming high risk flags of their merchants. They agreed to pay me to inform them ahead of time so that they could hide the evidence and move the merchants over to different volumes and MIDs. However, they decided they did not want to pay the bonus anymore for protecting their merchants. They said I was a critical asset at their bank but failed to pay for the service. I had saved over millions of transaction laundering merchants for them but they could not buck up a few dollars.