You do realize there is a difference between public and private transportation, right?
I have yet to see a precedent that supports the government getting as much data as TFA talks about while using my private transportation system. Or the Supreme Court deciding that making a person wait until "cops with bomb and drug sniffing dogs" show up to a traffic stop without probable cause is an "unreasonable search". I could go on and on...
Do you want a gold star? that in no way proves you have a "vested interest" in privacy, that just proves you have give some money to charity.
> The point is there is a strong and historic precedent that transportation systems are monitored
Yes and people that have a "vested interest" in privacy are concerned about and have problems with the current levels of surveillance on these systems,