I love construction zones. I much prefer having the packs of animated machines come in discreet groups separated by peace and quiet. I really enjoyed the highway work on my 45 mile commute a few years back. They would close the road for twenty minutes at a stretch, but the flaggers always told me to just ride on through.
I really can't imagine being a jerk to the flaggers. It's so easy to follow their instructions, which are mostly "slow" or "stop" (my only two speeds) and I've never met one who wasn't interested in making things as safe for me as possible.