NIL may make it easier. Pitching and hitting both need live, game reps. Those are limited. Many teams only start 9/10 capable guys then only run 11/12 deep for guys that actually hit.
Pitching is similar in that maybe 10-12 guys get decent innings.
With the portal for baseball players there’s less incentive to sit as a frosh. It’s too easy to transfer and too important to sit a year.
At least with NIL, you can theoretically pay guys for the opportunity to maybe crack the lineup. Otherwise, it’s difficult to keep them riding the pine to develop.