No doubt, what davis did with the AFL, and the NFL merger was gigantic. He must be rolling around in his grave with a relocation still pending for (i think?) 2020 to vegas. However his micro managing and front office antics will live on in the greatest infamy.
Like all historic greats, he deserves to be recognized for his fantastic contributions. But its equally important to keep the grain of salt in the forefront. Paul Brown has seen a kind of cleansing at the hands of history due to the effect of rose tinted glasses.