Earlier quoted context omitted.
Well, for at least a time they would have the entire x86 market. That is not nothing. Also AMD may want to get back into the fab business. Without competition in x86 why not use Intel's fabs?
They would technically have no market, because the Intel-AMD X86 license is non-transferable and expires if one party goes out of business.
- A token legal remnant of Intel, with 0 employees or properties, might suffice to keep that license ticking.
- If the stakes appeared to be "or America will lose it's ability to make computers", then the government might find a judge willing to sign off on just about any sort of counterfactual, "because national security".