Of course they do this! Let's say that the wait time is posted as 30 minutes. I get on in 20 minutes and I'm happy. Now let's say the wait time is posted as 10 minutes. I get on in 20 minutes and I'm not happy. Cost me the same 20 minutes in line, but the end result is very different.
Restaurants do it, too. Same principle. It's all about expectations.
Do I expect that I'll be in line for a shorter period? No, I'll plan as if the time posted is correct. Then I'm usually pleasantly surprised.
Restaurants do it, too. Same principle. It's all about expectations.
Do I expect that I'll be in line for a shorter period? No, I'll plan as if the time posted is correct. Then I'm usually pleasantly surprised.