If a pin bends, yes worry, it could do unexpected things, (No post, stuttering, some other things even sometimes not turn on) now on a motherboard socket when the pin is bent, it is practically useless unless you fix it. on an amd cpu, its very simple to fix all you need is a credit card and a tweezers and your good to go. Now fixing them doesnt now affect performance at all but keeping them bent can ruin alot!