Very much this. It's a bad idea to measure UDP reliability on a quiet day and then make decisions based on those results. On a different day, everything will

Very much this. It's a bad idea to measure UDP reliability on a quiet day and then make decisions based on those results. On a different day, everything will be happening at once - everyone trying to message their Mom, everyone trying to sell stock, everyone trying to cast a spell on the big monster - and that is when the most packets will be dropped.