I don't like it, I don't want it. There can be such a thing as "too much freedom" when it comes to setting rules for a game. I don't like it because it removes any thematical consistency. I don't like it because it removes gravitas from a character.
Different people like different things. When you create Tuco Studiosᵀᴹ then you can design a game that only caters to your likes. Larian makes games for their millions of fans, not just you.
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And as I already said elsewhere "If you don't like don't use" is a great principle applied to your collection of sex toys but absolute garbage when applied to game design.
Leaving aside your fixation with other people's sex toys, the option to do this in no way shape or form affects your choice not to do this. If only want to play Wizards you should not be offended that there are options to play other classes. You can still choose just play only Wizards in your play-throughs.