Did they finally sell to you?
I was just telling a co worker about it and she told me they refused to sell her husband a knife.  He  was there with his son (12) and he was picking out a knife with his giftcard.  An associate saw him hand the giftcard to his Dad.  They refused to sell it.   I guess this is a   but with these
 but with these  
Eventually they realized how asinine they were being, and sold. Still a frustrating experience for sure