YANBU - guising here too. Times have changed though, which is a good thing imo, as we don't have to hollow out a rock solid turnip for a lantern, or put up with the hideous smell of burning neeps....
The end result is the same - get dressed up, go out round your friends and neighbours houses, tell a joke, get some sweets. Seems OK to me. I know that there are plenty of people who don't like it, but our street always has a lovely time and I count myself very lucky