On which basis do zealots over there get triggered if someone prefers their owm colours and doesn't like LGBTs?

So, I get that, for work, it is 'the most competent candidate' (knowledge, abilities, skills, experience, motivation) - but for privatelly socialising, why would any person not prefer their own colours and genderness (e. g. straight binary heterosexual blue eyed white and entirely uninterested in any other kind/race - be it the colourblind, the disabled, blacks/Indians, LGBTs, goats, sheep, squirels etc)

On which basis do zealots over there get triggered if someone prefers their owm colours and doesn't like LGBTs?
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