Ever noticed how most elections are very even? The thin line between being rude or not is not well defined and it changes over time. The line is where there is something close to a 50/50 consensus and the line is fuzzy. Depending on who you are, you have different limits. That someone gets offended does not, strictly speaking, make them right, but this is probably not about Fdev being offended over the profanity, as much as it seems like somebody having a sore toe, when it comes to the management and strategy of the company. I think we should all get along and be nice, but that includes being able to take critique and accept a few hiccups from everybody else.
Go watch Yamiks Hyper Critical Review of ED. I bet you haven't done that yet. Maybe skip the opening scene where he beats a dead horse in an attempt to be inventive

Next in the video, is a beautiful (long) montage of the Milky Way we all love. He does wiggle his joystick along the way, but ask yourself if it really hurts you, or whether you actually get offended on somebody else's behalf.