Scenario:
Originally, you are an employee of CA, and have been offered and taken a position at Broadcom as an engineer. Broadcom divests your enterprise product to a private equity firm that is located in Seattle. Said private equity firm requires you to relocate to Seattle to work for them. You decline, which also means that you quit. Broadcom will have no bearing on your clause at all anymore, because you will no longer be employed by them. You will be sold off. When you are sold off, you are not grandfathered into CA’s or Broadcom’s severance package.
Broadcom knows they do have to pay a lot of expenses (resources) a severance, but not everyone who is let go will get one. They will strategically eliminate severances to people by divesting enterprise products. I highly doubt Broadcom is just going to fork over as much money as possible to all terminated employees without looking into other avenues to explore.