[mrlonglong]

Why they they so hot on needing the TPM?

[mycall]

So they can sell more computers and Windows licenses.

[winthrowe]

Several reasons, but the biggest I see is Passwordless.

Windows 10 can act as a FIDO2 authenticator like a Yubikey, but needs a TPM to do so. They want this to be something that actually happens for the average user in windows 11.