Or you get voted out of office and your charges reversed down to zero - or perhaps negative as the people are so mad they take it out on the transit this was supposed to fund.

Politics is tricky, don't take so much you make people affected mad enough to undo what you wanted.

Both parties like money so one party may be voted out if people are angry, but it’s unlikely to result in the charge going away.

It’s also nyc primarily in charge of it and nyc constituents probably are in favor of less congestion and more money.

Politicians like votes more than money. If this is seen as the standard change of hands that happens once in a while in a good democracy then the charge will stay because $$$. However if this is seen as a rejection of the charges they will go away to prove your vote for the new people wasn't wasted. Seen is the key here - while surveys and such influence this, there is emotion there as well. Note too that it only needs a small vocal percentage in some cases to change perception.