Only OSU, now Michigan and probably Oregon are willing to go toe to toe with Texas...others probably could but wouldn't until there's some sustained success for a while. Texas culture as a whole has always been about big money, big spending (not just athletics), where there's a little more conservative approach in the midwest.
IU probably 30 years behind in facilities for example, where other schools will be cutting edge. IU will have to balance NIL with building their football facilities up.
Winning always brings out the donors.