of course they are - essentially United's defense is that someone "fat fingered" the exchange rate...if I were to make the same mistake with regards to my dates

of course they are - essentially United's defense is that someone "fat fingered" the exchange rate...if I were to make the same mistake with regards to my dates of travel or flight times etc. I have 24hrs (with UA) to make a change - otherwise I have to pay for my mistake...Which i suppose begs the question of how quickly UA canceled the fares