Paying 2% more and getting bumped off your flight is a false dichotomy. United's approach of offering $10k avoids both.
I don't see a reason to waste seats if it can be avoided without hurting consumers. Wasting seats is inefficient economically and bad for the environment.
I don't see a reason to waste seats if it can be avoided without hurting consumers. Wasting seats is inefficient economically and bad for the environment.