Well I sure wouldn't have them rest a bucket on them. IF you're really concerned it's not difficult to just remove the rails altogether for the trip. Might take 10-15 minutes.
Well last night after a long drive and about an hour of listening to spotify, I started having an android auto problem. I'll have to try my own fix tomorrow. I just love when a fix, breaks something else.
Personally, I've preferred the Michelins on my previous trucks. I'm not wild ab out the current pirellis. They're ok, but I prefer either the Goodyear or Michellins to them.