It would be more exciting if boxers from lower divisions went up to challenge Canelo, like the rumored Terrence Crawford fight. Whatever happened to that? Seems like it just faded away...
But it does not look good either when there are almost no opponents left in his division. He has already won against almost every decent guy in supper middleweight. Who is left to beat? If not going to other division, what should he do next? Beat same guys second and third time? With time, the audience would start to skip his fights. Like for example people loved Fast and Furious first parts, but the longer franchise goes, the silly plot becomes. Imho people love to see new challenges, but when they see someone fight someone for the third and fourth time, it becomes boring.
I agree the division loses their reputation if one fighter has all the titles but does not want to defend it on fighters that can give him a real fight, This Berlanga fight did not define Canelo as the best boxer of this generation because Berlanga although young, is not really an A level fighter, I guess Canelo just wants to fight young fighters, not really A level fighters.
Canelo at least should be thankful that Berlanga is trying to sell the fight by creating the impression that he has what it takes to beat Canelo, If Canelo is not fighting the winner of the Bivol-Beterbiev fight or a Benavidez fight and instead fights other fighters, I will prefer to watch the highlights than the actual fight.