IMO the WBO title is legit....They have the least amount of recognition of all the titles but again they do not have the bankroll of the other three either,,,but the WBO has some good fighters as champions and it is that in which makes the belt......In the 90's the WBO was just a BS title but they have come a long way since then...In 5 yrs look for them to be the more popular of the belts assuming they do not start having the bullS*** polotics of the WBC