One of my colleagues who left DXC a few months ago actually went back. The reasons were multiple (better position, better pay, dissatisfied with the role they entered into,...); but the choice made sense for them.
It sparked a conversation between my partner and I: under what circumstances could I be enticed back to DXC. I couldn't imagine any scenario that would entice me back And now there is Sal the Savior, He who recognizes the problems and wants to fix them. It prompted a rethink: Suppose all my grievances with DXC were magically resolved. Would I go back?
No.
The reason is culture. What Mike 2.0 giveth, Mike 3.0 could taketh away. The core culture of DXC is rotten; Sal is slapping a new coat of paint on and making all the right noises, but it will take years to shift the culture of that company. Who know how long Sal will stay as CEO? Nobody; and just as the board tossed ML the could toss Sal and replace him with another ML who undoes everything.
No; there is nothing that could tempt me back to DXC. New logos and employee satisfaction surveys didn't work out so well when CSC / HP became DXC; why expect anything different this time around?