Yes.
And there’s stern warnings about using that option to trash an Original Post etc.
And the mods can tell who posted what new keywords.
Yet . . . often . . . IIRC, little is done unless some mod sensibilities are crossed. THEN something’s done.
Well, I was unaware people could even do that (and I don’t usually look at keywords—heck, the search function hates me anyway so I hardly ever use it).