There's also titles where the Devs cooked and ended up spending too much time and resources and underdelivered on huge flops. See Daikatana or whatever kickstarter game is disappointing people at the moment. Making games is just difficult, let alone making something that everyone loves.
It's almost like sometimes an idea doesn't work out and you either have to abandon it or restart from the beginning but most companies won't let that happen cause they don't want to spend the time/money to do it.