If a guy or a female does NOT compliment a females friend/colleague/acquiescence new hair style does that mean we're being rude?

I notice when they have a new hairstyle but I don't care much to give them a compliment about it. It seems if I don't they think i'm being a jerk.

If a guy or a female does NOT compliment a females friend/colleague/acquiescence new hair style does that mean we're being rude?
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