In a divisive post, one employee asked if he was actually the bad guy for spoiling his own workplace birthday party . In the r/AmItheA**hole subreddit, people usually decisively call the OP an a**hole or not. But in this case, commenters are split on the etiquette involved in this dude's scenario. The OP wrote that he's having a rough few weeks – expensive car troubles, a pounding headache, and because he forgot to take his birthday off work, he had to go in. Once he got there, he felt depresse…