Cutlery dilemma

You're hosting a dinner party for eight people. They're all enthusing about the starter (of course). You take away the plates and then you have the dilemma. Do you ask them to hang onto their cutlery for the main - since there are no more knives and forks left in the entire house? Or is this a massive faux pas; do you bundle them up and hurriedly wash them all under a running tap, pretending you have 16 pairs of knives and forks in your house?

A dilemma I have gone either way on throughout my life. 

I can remember Pizza Express first popping up, it was glamorous and quite unlike the Pizza Huts and Pizzalands of the time.  I also remember my jaw dropping shock when I was asked to keep my cutlery after my garlic bread to use for my pizza. The garlic bread may have been flat and smooth and tasty and quite different to the one in Deep Pan Pizza, but they would never sink so low as to insinuate they'd under ordered utensils. 

Then you go to the continent and its quite common place. I am over my absolute horror and shock now, but I do find it a bit weird. If you change wines you get a new glass. I don't want bits of congealed starter contaminating my lovely main. 

I may be alone in the world in wondering why this practice happens. Ah well.

First world problems, huh.