Douwe Eggbert irritating TV AD

I cannot believe such a Big Brand cannot get an Ad on TV correct, it is so annoying Someone please explain to me, if I am wrong

Lady - " can I come up for coffee " Man - " what coffee is it "

For Goodness sake, it is his apartment, surely he knows what Coffee he has !

Shouldn't it be

Lady - " do YOU want to come up for coffee ? "