I respectfully disagree. One of the things I love about college sports is the year-over-year turnover. I enjoy watching each year's team make adjustments and grow to fill in the holes left by the previous year's graduates. I think it's awesome and is a quality the pros will never really have.
Breece needs to go out and challenge himself at the next level because that's how "he's going to be the best version of himself he can be." (to coin a phrase

) And he's certainly ready for that challenge IMO. ISUFB will obviously be weaker at RB as a result but that just gives everybody else on the team a new opportunity to succeed.
I love all the guys on this year's team but I also think so many of them coming back as super-seniors is, in a certain sense, boring for both us the fans and them -- I can't help but think that some of the team's losses this year are a consequence of that collective boredom, a "been there, done that" atmosphere.