I see a lot of people talking about being able to recruit close to the school. That helps to some extent, but it's mostly coaching. Just take a look at the basketball program. The majority of those kids are not from Kentucky. It's all about coaching.
Kentucky's basketball program is the best all-time. When you have the long term success it has, you don't worry about recruiting bases. You recruit nationally.
Not every program can do that. Comparing a program like Kentucky basketball being able to recruit nationally to a program like Kentucky football just isn't fair. Compare Alabama's football reach to Kentucky basketball's. Compare Kentucky football's reach to Alabama basketball.
Why can't Avery Johnson just walk into any highly ranked kid's home anywhere in the country and be an actual contender for his services (unless his handshakes are made of money)? For the same reason no coach at Kentucky can in football... Because who the hell cares.
To go from where Kentucky football is right now to being able to recruit nationally is gonna take a while. And football is a much slower burn than basketball. Unless you have the full power of Nike behind you like Oregon, and their seemingly unlimited resources, you have to build to that over time.
Mark Stoops has built a fantastic foundation at UK. Without him, there is no beautiful new Commonwealth Stadium most likely. And there definitely isn't a fancy-pants new training facility, which he helped design. He's responsible for securing the funding for that. He got the administration to buy in and he got the donors to buy in. Whether he makes it as the coach or not, we have a great foundation from which to build.
And even then, you still have a lot of work to do. No coach, short of a Saban or Meyer or one of the other couple monsters on football coaching, is going to get anything close to immediate success.
And Kentucky just doesn't have the home recruiting base to pull from, so we have to go out of our area just to fill the roster. And that makes it even more difficult.
Lewisville didn't just happen overnight. They got to build slowly, and had the added benefit of being in trouble conferences while they built. They're now on a position to recruit, however limited, nationally (and Jackson is gonna further that brand exponentially). We have to build in the SEC. Much harder to get the success to sell to better players to have more success.
Obviously, there are outliers. Missouri winning SEC east a couple times consecutively. There's an exception to every rule.
tl;dr
It's just not that simple to build a program vs already being an established one. The UK basketball comparison is realistically and categorically unfair.