And Barnes didn't even make the final four with Durant who most would put above AD. Having good players helps but it's not everything. It takes players, coaching, and luck to win a championship. Discounting a championship because the team had a good player seems silly.
The last 10 years:
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You could add Jay Wright to the table there with his 2 titles but he didn't make the elite 8 in any other years.
I'm sure there are a small number of vocal Ky fans complaining. Every fan base has them. Most get it and roll their eyes at them too.