Meanwhile the other party selects billionaires as cabinet members.
He and Kobluchar responded, because the guy was from their state, so they felt they should say something. The fact that they are attacked solely because they weren't making death threats is mind blowing. Their job as politicians is to put regulations to thwart these practices, not kill people.
You can have your own opinion about the CEO, but you don't want politicians resolve problems by killing people. We saw this in Germany in 30s and 40s.