Adding brute force resistance to consumer hardware is pretty useful. Now your password can be John1985 without fear of getting brute forced within seconds.

"I don't use a TPM in my computer so it shouldn't exist" has always sounded like a weird argument against the tech in my opinion.

Many Android phones have their secret storage implemented as a virtual machine rather than a TPM. The lack of a TPM doesn't suddenly give me any more freedom, although it does come with security downsides.