Lets se, there were romulan civilians in the episode where Picard and Data were on Romulus disguised as romulans and there was a low ranking romulan officer trapped on a planet together with Geordi La Forge and the romulan officer that was responsible for the Cloaking device on the defiant when it was first installed, none of those talked like most of the other romulan officer that was on any of the Star Trek shows, or did they
Honestly, it reminds me of the British Empire's colonies turning into 'amurica.
You go from the stern, regal, intelligent Romulan Star Empire conservationalists-
To well: Romulan Republicans. It just doesn't have that same amount of finesse.
I suppose the change should be expected, what with their new stance on things.
But still, I don't have to like it. My preference was that older, darker, even charming side.
It felt somewhat different to the personality of humans- more appropriate for aliens.
Indeed there would be change but it would take longer than a couple of decades, at the time of independance most americans would have probably sounded very british. Of course there is no concluisive proof of this.
There are fine examples of Romulan speak on Holodeck, Commander Mivek and the Romulan officer at the end of the Mountain Path mission on New Romulas (second rep. tier mission I think.)
I also believed that the dialogue didn't sound Romulan at first. Until I started meeting the Tal'Shiar everywhere. The further I progressed in the stoyline the more I thought it was appropriate. Now all we need is to be able to test the missions past level 30