I think we all know what this really means is "publicly hating in a way intended to demean those that use it".
Hands up who likes being told that the thing you like is stupid and you are stupid for liking it? Anyone?
It's absolute fine to hate a language, a food, a genre of music etc. Having a personal opinion on stuff is one of the joys of life.
Forcibly inflicting or publicly broadcasting those opinions, however, is not cool.
I agree. It's fine to have your personal belief and the experiences affirm that belief.
But when you use that belief to push onto others a sense of inferiority, that's when problems occur.
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