Disclaimer: I've been at Uber since early 2016, not the first layoff round I see myself in.
I have observed the opposite: when layoffs are announced, it gets shared internally, conversations die off within <0.5 day, and people get on with their jobs. 2017 was different though.
I just find it more productive to work on the technical problems, rather than to worry about things I cannot control. And this is quite universal in my environment.
I am quite sure Uber will restart hiring after the current crisis is over, I highly recommend this place.