"But what l learned and heard from him, well, I realize why he is like that. I understand sometimes when the people are not educated they just talk to talk. He sets a very bad example."
Mayweather's erudition has been under attack lately -- with 50 claiming the fighter can't read and Nelly trashing him for allegedly failing to graduate high school.
Floyd has been mostly silent about the attacks -- but his father went off on his behalf ... calling 50 (and everyone else ripping his son's education) as "player haters."