Disable 32bit x86 on Linux kernel 6.7+:
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Starting with Linux kernel 6.7.0, You can disable 32bit mode on x86_64 CPU's so no 32bit software will run natively.
To do this:
add "ia32_emulation=0" to your /etc/default/grub file's GRUB_CMDLINE_LINUX_DEFAULT options.
run "sudo update grub"
then reboot!

Source: https://www.phoronix.com/news/Linux-6.7-IA32-Emulation-Boot
Date: January 9th 2023