Letting the GOP own their own damn mess.
If they show up, the right media will spin this into a Democrat-fueled protest, and not a genuine protest. GOP members are showing up because they know this shit will break them on re-election. And maybe a few are actually decent people.
remember, those right media encircling the normal ones managed to defeat the most qualified candidate in US history. Democrats can't be part of this right now.
Why do you think the WH / Bannon / Spicer yelled media to 'shut up'? Because there's nobody to blame other than the GOP itself right now. They can't spin it, and Trump is probably fuming, along with Bannon.
Btw: if nobody knows what's going on, doesn't that mean the proper chain of command has been breached, making this whole detaining illegal?