I'll add in that it's a buyer's market. There are plenty of post docs with no work (who want to work in the academic space) so if you don't want the post there

I'll add in that it's a buyer's market. There are plenty of post docs with no work (who want to work in the academic space) so if you don't want the post there are plenty in line who do. There's no post-doc-research union to set and enforce reasonable pay scales, but equally a union would have difficulty adjusting rates to local cost of living. Put another way - supply and demand baby, supply and demand.