If I was a in charge of a business I would put a hard email filter (including externally) on corporate jargon because it is too vague and people just use it to seem smarter than they really are. The no-reply would give a lengthy explanation on why it’s bad practice.
Those are sockpuppet accounts. If you look at their profile it will usually be pretty sparse and have few posts. I believe these are usually stolen accounts and the new owners clear out most of the old posts except for a few pictures. There’s troll farms in se Asia that get hired by various groups and entities. It’s pretty cheap because the labor is cheap or even endetured servitude.