There were plenty of workarounds to get w11 working without TPM 2, but the writing is on the wall that MS is hostile towards the older pcs and you are going to get cut off one way or the other. Best to just move off windows while you have the time rather than be caught off guard without security updates.
Users report that Windows 11 updates are being offered on older systems without TPM 2.0 enabled. Observations from private users and businesses indicate that Microsoft's upgrade mechanism currently also considers incompatible hardware even if the official requirements remain unchanged.