In the past, if TMG screws up then of course it's not gonna be sued by Intel itself, lol.
In the future, telling your customers "oh sorry we're not able to make chips for you in the upcoming process anymore" would land you in court, like Globalfoundries did with IBM:
https://www.nextplatform.com/2021/06/10/why-ibm-is-suing-globalfoundries-over-chip-roadmap-failures/