Do players really take and save that many screenshots?
In FFXIV I have gigs of screenshots.
There is also a third party tool called Anamnesis as well as an in game plugin for Dalamud(both of which are against terms of service but still widely used) that allow you to pose your characters as if they were dolls.
I'd LOVE for this ability to be introduced into ESO, as I spent HOURS upon hours doing it in FFXIV, but I know they won't so I just instead take more scenic shots.
The gpose setting allows you to loop emotes and facial expressions and the like that you can slow down and freeze in place to quasi pose for shots as well.
I fail to see how trolls would be able to troll with it.
In FFXIV you can turn off other players, their pets, non combat pets, spell effects, all interactable object effects, and the like in the control settings for it.
There's literally no way to troll it.
You're frozen in place while you do it as well, and no one but you can see what you're doing. To everyone else, you're just standing there with a camera over your head.