No they are not supposed to be like that and would have got worse if you had tried plugging in the cpu.
If scan should refuse and you get nowhere then you can straighten the pin. I have done this on a number of customer return boards that I got for a song. Just needs patience, delicate hands, a magnifying glass and a credit card or the likes.
Looked at the video and the bent pin is there, albeit not so easy to see. But I'm using a lappy and turned it so I could view down the line of pins and you can then clearly see the bent one.
This in mind I imagine it could be used as clear evidence that the pin was bent prior to delivery.
Unfortunately, the video and the photos would not serve as proof the pin was already bent when the MOBO was received since they easily could have been taken after you had bent the pin. The only way a video could be proof is if the anti-static bag the MOBO was shipped in was sealed and had to be cut open, you started the video (it would need to be as high a resolution as possible) before cutting the bag open and the entire MOBO stayed completely within the video from just before you started to cut the bag open to until you could carefully zoom in on the damaged pin.
If Scan refuses to make good on the bent pin, check to see if you have any consumer protection agencies. Here in the U.S., we have the Better Business Bureau and State Attorney General Offices. If You keep a lawyer on a retainer that includes attending to small matters without additional charge, s/he may be able to go to bat for you. Failing all that, I would suggest trying to straighten the pin. Using a credit card is good only if several pins are bent; otherwise, the danger of bending other pins is too great. For isolated bent pins, I would use a magnifier and a tiny flat-blade jewelers' screwdriver to gently (and I really mean gently) nudge the pin back into position. I was able to do that to a pin I had thought I had bent on my MOBO (because of how loose it felt when I nudged it back into position yet the other pins hadn't budged at all, I now strongly suspect it was already loose when I received the board).
I did say credit card or the likes. The point about a cr, or the likes, is that you can insert it between rows of pins making sure that the pin out of shape gets back into shape. I have done this on numerous occasions and you just have to improvise with what you have around you. But as you say the word is very gently.
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