Well our offense the past 2 years has had a limited route tree. We didnt run slants drags and screens with the sole goal being to get the ball to watkins. It wasn't in roman's playbook.
You see guys like landry, antonion brown, and others getting huge target numbers because that's how their offense is structured. They can all still make plays down the field, but their bread and butter is more short stuff.
If you try to roll coverage to double watkins on a slant, a WR might be in single man coverage with no high safety on the same side. Or a TE can leak out behind them and get in a foot race with a LB. So you tend to just let them have the short stuff and try and consistently tackle.
The roman offense seems to be more about attacking them in the run game, and going over the top when they cheat to stop your running game.