Another thing that is a bad problem is if you're flying toward space and the parts start to fall off your space car in the wrong order. If that happens, it means you won't go to space today, or maybe ever.
Sure, taking a few seconds to be respectful toward someone about something they care about doesn't sound hard. But if you talk to hundreds of people every day and they all start expecting that same consideration, it could potentially add up to MINUTES wasted. And for WHAT?