If they sat back and just took it in the shorts like the republicant's do every other election cycle, they would piss off their base. At least now, they provide hearings so useful idiots have something to post on social media so it keeps their base engaged and fighting.
To be honest, this is why the dumbocrats continue to have a following, and why the republicant's have lost their base.
This is the long game of the dumbocrats platform; looking like you're busy when you're really just living the good life on the backs of the Muhrican taxpayer.
They're better at it than we are,