I hate "builds" in games like D&D 3E and Pathfinder.
I hate having to comb through everything and figure out something that works.
I know you don't absolutely have to - you can just play a shitty character and just get by. But if it's there, I feel the need to do it eventually. And doing it makes me really unhappy. It's not fun for me, although it's clear from reading forums and stuff that it's fun for a lot of people out there.
I like playing the game. I don't like spending hours planning shit out.
My answer is to either play an earlier edition of D&D that doesn't have so much customization in your character but in magic items you find instead.
Or take 3E, strip out classes and the leveling table with its automatic BAB, saves, skill ranks, and HP from 3E and make you just spend XP to buy feats instead. Stuff like Weapon Focus, Lightning Reflexes, and Skill Focus stack to replicate the old functionality. Add feats for spellcasting: max spell level, number of spell levels you can memorize, spell save DC. Also feat prerequisites need to die in a fire, all of them. If a feat isn't good enough to take by itself, and the only reason anyone takes it is to qualify for a later feat, it needs to be better or cheaper - and stand on its own merits. Finally, nerf various exploits in the process, reinstitute the limitations on spellcasting that have been systematically removed over time, divorce players from choosing whatever magic items they want (by crafting, selection for Wealth By Level, or magic shops), and take anything that's ridiculous and stupid away from prestige classes and make them into spells or magic items. Call "epic" play "demigod" like it really is.
That is to say, you could do a better job in designing the game and end up with more customization and far less of the "build" mentality. I'm sure my implementation isn't perfect - but then again I'm not an entire team of professional game designers working full time and getting paid money to do it.
Again, people doing their jobs badly grating on my nerves when I'm stuck with the crap they got paid to make.