Absolutely. Mike won't ever be an ATG on his career as a whole, but his prime - there's no disputing him.
The WBC is about as 'real' as it gets with all of the alphabets out there. WBO WBA IBF IBO NABF etc etc whatever One belt is enough, and if...
BAD is typically better fights than WCB but WCB means a belt is on the line
he doesnt have to do any of them. he's already there.