No way thats his walking around weight. He weighed that when he fought Rubio. Kelly Pavlik was 168 when he fought Taylor and he probably walks around at 200lbs+ Golovkin just carefully manages his weight annually so he can stay at MW. He's a good sized MW who could easily transition up to 168.
Tito had no business fighting north of 154lbs. Joppy is much smaller than Bhop so I'm not sure what your point was with the comparison.
do all middleweight champions have no business fighting at MW, in your eyes? or just the ones hopkins beat?
Ridiculous question. BHop at 6ft1 with a 75inch reach had the frame to go up; he was a big MW. GGG at 5ft10 and 70inch reach isn't. Wilfred Beinitez and Thomas Hearns were both WW champs--but guess which one won a belt at LHW?
Look at their frames you idiot... At 160, Tito looked noticeably smaller and way less muscular than the natural MW's.