Erm, are you serious?
Say I die top, which we control, and use revive - it still takes me some time to make it back. People can still stop me en route.
Teleport, especially with its cooldown - if we win top, I can sit at nexus and wait till I see where you're attacking and immediately teleport there - my whole team can. Doesn't even require sitting in jungle to try and catch you - and if I'm on a speed shrine I'll be arriving zooming and vrooming.
If we win top fight, and your team revives, it still gives time for some of us who died to make it back or who just went b to heal and begin running back. With teleport, people will just go b, heal up and make it back even faster than the revive bonus allows - you have to remember that recall is also faster on Dominion, so recall>Teleport is pretty swift.
Finally, you do know you can also teleport to Teemo shrooms and such, right? That's really what you want to see, more Teemo shrooms?