Why is Tae Kwon Do so hated?

I have been taking TKD for 7 years, and i have loved it and trained at it. And, once at my friend's Bday party, on a grassy field I fought my friend and beat him up (in a friendly way). Then, when I was browsing the web, I read stuff on how TKD "sucked" and stuff. I always thought it was a good... show more I have been taking TKD for 7 years, and i have loved it and trained at it. And, once at my friend's Bday party, on a grassy field I fought my friend and beat him up (in a friendly way). Then, when I was browsing the web, I read stuff on how TKD "sucked" and stuff. I always thought it was a good martial art, but every sentence I read about TKD sucking tore my dreams of being able to defend myself into shreds. So why is it so useless?
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