Well, its mostly the same way for me. Also a bit of the same background (billied etc), but instead of wanting the power, I want to know I master the game, and would be able to omtimize.
Yes, I dont need to minmax everything, but optimize most stuff, as long as it makes sense.
In example, my Pathfinder toon atm, an Inquisitor, is human, and not Half-Orc, even tho for the build with intimidation etc, a half-orc would do better. But, within my character, it should be as good as it could be. Why not live up to your potensial?
I love finding small quirks, and exploit/use/have fun with them. A lot of the time its often about reading what others have done, and then change it so that everything fits my style the best. Still, the toon isnt supposed to suck! (Yes, the last group I was in the Rogue opened with a crossbow, with 1d4 attack, then spent the next round putting it away, and drawing one hidden blade, then after that drawing the other hidden blade, and moving forth. Result, after 3 rounds, the rouge had fired one 1d4 bolt, which missed. I could never play like that. It goes against my nature)
One of the most interesting toons Ive played was a Savage Bard/Crusader/Jade Phoenix Mage/Lyric Thaumaturge/Sublime Chord. Figuring that toon out was pure joy, and he kept up with my buddys druid as well
He was also riding a Dire Warbeast Battle Mount Badger (yes, that one was maybe a bit sidetracked, but it was damn fun) as he was Gnome, and he didnt want some stupid riding dog!
Im okay with not everyone wanting to omtimize their toons, but they should at least try to not play chaotic stupid (both as alignment and behaviour) during sessions. Basic knowledge about your toon should be expected, and if you can play your toon to some degree, even mundanes can perform decent enough, at least at the levels I have played at. (I started playing D&D last christmas, and havent had a toon in a real group that went past 8)
Imo, why play if you cant play it properly?