JohnP, that sounds like something that could earn you a bug hunter badge...
I never thought about the popup window issue, much. Sometimes during AV fights, I will target a teammate attack, fortune, target another teammate, attack attack attack... fortune, target another teammate, etc. Since we're all on the same target, it's sorta convenient.
I've also used it when traveling to an objective (in a zone or instance) and will drive-by fortune a teammate.
I've never had anyone complain that I was blocking their window or they didn't want it.
I use the z key for /bind z "dialogyes", so it doesn't annoy me at all when I get fortuned.
It would be nice if there was a way to auto accept or auto decline fortunes, I thought there was.
You shouldn't accept Fortune if you're mid STF and have the temp power needed vs Doctor Aeon.
It uses the same icon as one of the fortunes (Moon?). I had the temp, got hit with Moon....temp power vanished. I had to let the fortune expire which then showed it as still existing as a power but with a crazy duration, then die, zone out and into the Aeon mission again...and then the temp power was back.
@JohnP - Victory