They would sell you for meat if they could.
I had my access hard cut off and laptop locked, a cold reminder that your relationship goes as far as the business will allow.
Always, ALWAYS build your homey network at your job, because that is your door to walking on to the next job.
Be sure to try to get the best severance possible, take time off, explore opportunities. You often won't have that kind of pressure off moment if you're serious about your career so take advantage.
I'm a hired gun for now for academia and a small startup and I've probably never been happier career wise. I work with non-fake employees, and solve problems that make money. No 401k for now, but my sanity is more valuable to me after the circus of the last year at my old place. (Fake employees in VP position, director position, both fired 1y after I left.)