Subject: Re: The Sky is falling
They will be deemed essential by Trump.
Trump doesn't get a say in it. He's not President until he's inaugurated. So if there is anyone that normally works on preparing for an inauguration that's a non-essential person under the existing, standard classification of such people - well, that person isn't going to work on Trump's inauguration.
He wants to go fast on his agenda. And his agenda consists of things for which he can claim credit or off of which he can personally profit.
Sure - but some of that requires Congress to be doing stuff. If they start off the new Congress with a clean plate, then they can get to work on passing a reconciliation bill with increased border funding (for example). If they start off with two weeks of fighting over a stopgap funding proposal, they have two weeks' delay on all their other stuff.