Earlier quoted context omitted.
> the words they are using give me a hint of high pride, high ego, arrogance. Feels a bit like militaristic zeal. Really? I didn't get that sense at all. Can you give an example?
Sure. "You are told what the ethics of your profession are. Indeed, they are part of terms of participating in that profession, more on which below." -- wrong and somewhat patronizing. There exist professions which do have (recognized) ethics, but those ethics are optional, definitely not part of becoming a professional (because the field is informal and without licenses and too young to have that), and participation…
If you say "It violates my professional ethics to program the drivers for an orphan blender", your boss can fire you and replace you with some other developer with no such scruples. If a professional engineer says "It violates my (enforced) professional ethics to sign off on the blade design of this orphan blender, and anybody who did would lose their licensing", then their boss could fire them, but they're not going to get their blade signed off.