Eh, I dunno dude. These aren't 20k hull raptors. We're talking about full blown escorts and cruisers with battle cloak. They're going to be pretty damn strong in PvP.
Not that I object, I'm ok with the Romulans getting battle cloaks. I didn't fly BoPs anyway. I just think you might be underestimating what a battle cloak on a full fledged escort will be capable of. Both the Mogai and T'varo look to be amazingly good PvP ships, and that's even before seeing what their fleet variants look like.
That would only be important if PVP mattered in STO. Thankfully it doesn't