I expect this will skew results. Germany, France etc. will be turned-off or even insulted by the grouping and feel less impulse to represent than the named cou

I expect this will skew results. Germany, France etc. will be turned-off or even insulted by the grouping and feel less impulse to represent than the named countries where a little nationalistic pride will be a motivator. The reason for this turn-off is somewhat justified by your language - bother, pile, tedious etc. You must be American - jk!