I got laidoff back In 9/1 with other hundreds.
This is my first time back to this site . Seeing the same email gave me dejavu. Everyone is lost looking for any news to hold to.
My advice to stay till they lay you off BUT act like you already got laid off .. spend hours every day preparing, invest in your resume, refresh your LinkedIn, start networking and talking to people.
I'm saying this because I was like you saying no way this will happen now, maybe in few months , and I'm very important in the team , it's hard to function without me ...etc
Take my advice . Get into emergency mode. Start acting like you already laid off and start looking.
The 2 months WARN notice pass by quick , so start before they start just in case you were lucky to get WARN