You are at the limits of my understanding- in my simple example, the entity that took the company private is only on the hook for the principal, but these deals

You are at the limits of my understanding- in my simple example, the entity that took the company private is only on the hook for the principal, but these deals can be super complicated- multiple layers of companies transfering or lending money to each, and PE companies can be both a lender and an owner through these arrangements.