He's not by even by shonen standards. The big 3 aren't either.
- Kishi was fine until he wanted to incorporate a multilayer story involving everyone which left more questions than answers.
- Kubo had a myriad of issues: power levels, a cast was supposed to grow with him, but end up just being background characters, then ass pulls of the century.
- Oda has overall boring cast, with few members of the cast allowed to be something. The island hopping and the storylines of characters, and the general leave much to be desired.


especially with all the evidence to the contrary
This is every day stuff. You get your check and fall in line. 


In other words, heading into the Buu saga, Gohan was the mos popular character in the show, even above Goku, so clearly the fans had no problem getting behind him, right?
