Maybe. Perhaps. We will never know.
I do know that going from a bottomfeeder to a respectable program is easier than going from respectable to routinely challenging the blue bloods for supremacy (e.g., as Virginia has to UNC and Duke) is much harder. Maybe Fred makes that leap, maybe he doesn't, but the level of competition in that rarefied air is rather homicidal.
Fred is the one who chose not to create that or commit to that.
Maybe you should direct some of your frustration towards him. He left us.
I am on the record that I think the most likely outcome of a longer Hoiberg tenure was more of the same -- good teams, great ones even by our standards, but inconsistency on defense and some lax discipline leads to debacles like UAB that hold the program back from our highest ambitions. We would have been good, but we were not about to replace Kansas as the best program in the conference and maybe in the Midwest.
Taking a trend, drawing a line, and assuming things continue on that trajectory forever is the worst kind of reasoning. Reality is not so linear as you presume.
That is what we were when Fred left, though.
He never won a Big 12 regular season title or made a deep run in the tournament.
The team that wins the Big 12 regular season title and makes consistent runs to the second and third weekends of the NCAA tournament is not the 15th best team in the country. It is like the #5 team in the country, at the worst. See Jayhawks, Kansas.