Apparently "stealth" wards don't reveal "stealth"ed champions...
... https://38.media.tumblr.com/24526e8aa92359df6e52b0d76ccd47e1/tumblr_njqe76RH0v1rrx588o1_500.gif
And not knowing this results in you being called a "fucking idiot"...
... https://38.media.tumblr.com/24526e8aa92359df6e52b0d76ccd47e1/tumblr_njqe76RH0v1rrx588o1_500.gif
And not knowing this results in you being called a "fucking idiot"...
Well...Vision wards explicitly state they reveal stealthed targets, and since stealth wards (who get their names because they go invisible, they stealth) do not have that in their description, the logical conclusion to draw is that they DON'T reveal stealthed targets.