Good when done with the right people. Bad when done with very impressionable minds. And by "right people" I'm talking about the neutral crowd. Those that are fine with and without speed running. Those that understand they should form their own groups to speed run and will not hold it against a PUG to do things normally. Unfortunately for us, the bad people are the ones who are the most frequently found peers on these forums. Some of them don't even realize they fall into that category, which makes it all the more comedic and mock-able.