Installation of Qubes on ThinkPad T16

You can blacklist ucsi_acpi instead of fully disabling acpi as was suggested here:

To do it you need to boot Qubes OS installer and at the GRUB menu you need to edit the menu entry for Qubes OS installation and add the module_blacklist=ucsi_acpi at the end of kernel command line.
You can see this as an example on how to edit the GRUB menu entry: