What do you think about the middle finger? Have you shown this gesture to anyone?

I've seen people show their middle finger many times, obviously to offend someone or to show that they don't like it. Have you done it and what do you think about it?
An ugly gesture, I would never do
I did, but I'm sorry about that
I haven't done it, but it's ok to do it if there's a reason for it
I did it, I would do it again if I thought there was a reason
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What do you think about the middle finger? Have you shown this gesture to anyone?
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