I don't know about obnoxious processes, but I do know about one single event that happens WAY more than it should, and that might be people from customer relations coming with "new awesome features that MUST be implemented asap"

oh boy the times I've pictured me shoving a scrum guide down their throats....

How can code refactor be so stressfull that even doin' it on YOUR OWN CODE looks like taking a slow walk over broken glass? More than never: GOD BLESS THOSE WHO DAILY DEAL WITH LEGACY CODE

Worked as frontend on a company that also had backend devs making frontend work. One day we've received a task of redesigning those screens, since their work were poor. Past half of the work is done, the whole team came onto us saying to pause the task since there would be multiple changes into the informations on the screens. That day we lost something like 4 hours of work. Didn't punched anybody though.