I hate when people try to get my attention and dont use my name
Does it upset you a lot?
Pretty much, it just puts me in a bad mood.
I can understand that being annoying, but it's not a big deal. Especially if they don't know your name how else are they going to get your attention. It's probably really intimidating to talk to you because of it.
What if I do the same thing to them?
Well I don't think they would feel bad about it. They might just assume you don't know their name and introduce themselves to you. It seems silly to overreacts about this.