It's not a backdoor, Microsoft doesn't need a backdoor to bypass BitLocker because they can sign payloads that'll pass the TPM.
Why would it not be? Microslop doesn't need to make such a backdoor, but it's still a lot more convenient to make one generic backdoor than many signed ones.
Why would it not be? Microslop doesn't need to make such a backdoor, but it's still a lot more convenient to make one generic backdoor than many signed ones.