The classic track to politics is no longer suitable
We are seeing how the classic track to politics is increasingly not suitable to understand the changes society is undergoing in these years. Many of them come from job and professions that insulated them into bubbles disconnected from the reality of many people. They don't understand technology, even if it is becoming pervasive, and refuse to understand they don't understand it. They got used to be regarded as the "clever ones", but in these situations they're not. Humility would be required to understand it, but that's not a usual trait of politicians. Executives will take advantage of it - go to the hearing, look tame, dodge the few real questions, and then, after the hearing, promise a huge cheque for the next campaign....