As is usually pointed out in these conversations, that's true of all companies you could depend on, and all companies depend on others. That's why people sign c

As is usually pointed out in these conversations, that's true of all companies you could depend on, and all companies depend on others. That's why people sign contracts (which usually contain clauses about being honored even if the supplier gets bought out). That also saves you from things like a company you depend on deciding that it's going to compete in your market now: they still have to honor your contract.