I actively play all classes at end-game PvP (if you want to call it that). So I'm by no means being bias, but I wouldn't mind a 'nerf' for roll, atleast if you're carrying ball. Reduce the roll range by half or only allow 1 full roll/CD.
That being said.. been this way for ages, I doubt it'll be changed now.
Right now I'm happier face tanking 4 people with my Sage healer then pulling ball carrier to end.
The enemy team must be really bad if you can carry the ball as a tank to end-line with no Guard/Heals. Operative can do it as a DPS with no Guard/Heal.
That's IF you can get a charge. Operative can roll to end-line pretty much all the time.