Haha yep.

I was in the computer section of Best Buy many many years back and a sales associate asked me if I need help with anything.

"Hey can I help you with anything?"

"Yeah I'm just looking for a suitable power supply and casing for my friends custom built PC, it needs to be within range of his components and he is planning on overclocking his graphics card & CPU. The ventilation of the casing also needs to be sufficient as he is going to be doing some extreme intensive tasks on it".

"Ah ok.. Well it looks like you're finding everything ok... if you need further assistance then let us know". " *walks away instantly*

He was the only one in that section of the store.