To a degree it has, but you can still get quite a few "did he just ****ing say that" moments from Floyd. Thats what people love about him.
For a 32 year old man with 9 kids or whatever the **** it is he's shockingly "youthful" at times. I'll say that. Especially when he's talking into an HBO camera.
Very few people are considered on the "genius" level of intelligence anyway. There are many forms of intelligence, but Floyd is obviously very smart. You can't be some idiot and fight like he does. JMM is the same way. He's know as being one of the smartest fighters in the ring, an outside of it, he's helping his son do math. Hell, most parents have no clue about their kids math.