You may not have control over any of the factors you mentioned. Some places are just paralyzed with fear and plagued with red tape.
But keep looking for the revenue lift opportunities. Even if you're kept from doing the "right thing", continue to be vocal about your position. If it has validity, eventually it's going to play out and at least you will have a "told you so" when your contract comes up for renewal.
Sure. Nothing is guaranteed. All you can do is be insistent on echoing the best advice possible going forward to lift revenues and attempt to remove the roadblocks towards your objectives.
Sometimes you win. Sometimes you lose. Sometimes you say "I told you so" and they say "fuck off" and you part ways.
But keep looking for the revenue lift opportunities. Even if you're kept from doing the "right thing", continue to be vocal about your position. If it has validity, eventually it's going to play out and at least you will have a "told you so" when your contract comes up for renewal.