To be clear this is the Bellevue side, but you're absolutely right about everything else. They're rich people who are bitching constantly, who bought a home next to a large freeway/cooridor, and now they're upset because they hear trains a few db over the constant sound of the freeway.
They also want free taxpayer money to... I don't even know what. Soundproof their mansions and boats. Let's all be crystal clear, they see a government agency and they think they can squeeze them for easy money.
Trains have been running since January in testing and they didn't say anything then, suddenly after 6 months they can't sleep? I call bullshit.