Is it weird for a stranger to approach you and say something totally random?

Today after I finished putting the groceries in my car, I decided to take a second to take a picture of my outfit because I dressed up today and didn’t have time earlier to take a picture but anyways I was behind my car just taking a quick picture of my outfit I was wearing and I kept hearing a man say something and at first I didn’t know where this man was or who he was talking to because he literally came out of no where so the third time he says it i look up and there he is in front of my car watching me and says “Can I get a copy” like 3 times he says this and when he finally gets my attention he walks away. He looked like a sicko in my opinion but it was just a creepy thing to say in my opinion. Do you think it was creepy or weird or am I just not overrreacting because the guy literally came up to my car and kept shouting at me until I noticed him

Is it weird for a stranger to approach you and say something totally random?
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