It is.. but you can't bind it to a key for quick toggle. Hence the request for an addon.
I can't see a reason for a way to quickly toggle it on and off...
Every single time I interact with a vendor or bank I run the risk of accidentally clicking and attacking. I see it happen all the time. Just go stand in any bank and watch for a few minutes. You'll see the accidental light attacks happen.
It is.. but you can't bind it to a key for quick toggle. Hence the request for an addon.
I can't see a reason for a way to quickly toggle it on and off...
Because the OP doesn't want to open his settings every time he walks into a town to do business? I'm not saying I agree for the need, rather it seemed clear by his wording, that he knows the option is there but doesn't want to open menus.
They're called fingers but I've never seen em fing