...would've taken it for the same salary.
Bielema's thinking that the only thing stopping him from being Saban is having ready access to a different level of talent with resources at a school that has forgotten about even putting up a pretense of caring about academics.
Bielema's style is based on My Guy Will Be Better Than Yours...so when that isn't the case, there's not way around it. So he's going for the 'Bama/LSU level player to try and man up his style.
Not sure the cash matters all that much here.