When you say a pick up line on dating apps, why would a guy say “how many times have you said that to guys”?

I’ve noticed it’s rather common, if I share a pick up line, a very common response from guys is “how many times have you used that”? Why say that? I feel like it’s quite rude and doesn’t start of the conversation on a good impression - kind of sounds possessive

When you say a pick up line on dating apps, why would a guy say “how many times have you said that to guys”?
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