I bet someone, right now, is creating a pitch for a brand change to LEADERCARD.

Someone, somewhere, is drafting this, prototyping a new logo desing.

Just waiting to happen.

Masters degree ... Master copy, master key, heck we can go all day. People who support this are not thinking clearly.

You gave three examples where master means expertise on the field, not ownership over someone.

Ehh, was Twitter or anybody else using it to mean ownership over someone?!!?!?!?! I mean in that case it is a crime we are talking about and just renaming actual enslaving of humans to something else won't fix it. so ... I mean ... what even are we doing here/