First off in boxing age isn't as big of a factor as MMA I never completely discounted Conor age advantage only that it isn't as huge a factor as people are making it out to be. Look at the great in boxing and the age they were when they were on the decline in mma the age of decline starts around the early to mid 30's while in boxers it isn't unheard of to have dominant champions last until their early to mid 40's. How is it ignorant to say Mayweather was never the fastest or the quickest he's always been the one who could outthink and come up with better strategies that others, Mosley, Judah were significantly faster than Floyd and he outplayed them so no, my opinion is not ignorant just my own observations.
I've seen his training videos, plenty of them, and his sparring with Van der Heen and from my own experience(more than 10 years of boxing training) his power isn't that great. The way the 70 lbs bags bend and move when he works them isn't anything special and the shots he landed on Heen and the way he just went through them to counter him supports my theory. You wanna see great power at a similar weight class to Conors? Watch Marquez, Canelo, Mosley, Gatti work the 70 pound bags or watch their sparring videos at how their partners react and move when getting hit. THAT'S power. He's got good power for MMA but in boxing he's just another scrub.