Embrace it and move on
I left this abortion of a company two years ago but instead of feeling sorry for myself I got my head down to get contract work.
I've got all but a month's worth of my payoff in the bank and in my pension and I've been fortunate enough to have contracted continuously which builds on that. You'll be amazed how quickly the Stockholm Syndrome dies away when you are working in a role outside of DXC.
If they send you the black spot, just get your head down and apply for jobs or contracts and you'll be fine. It is absolutely all about ageism but to be honest I don't care. Working for them was destroying me intellectually.