Is SGX really necessary?

When I look at the journal log, I see the following entry, shown in red.

Sep 23 09:06:23 arkeo kernel: x86/cpu: SGX disabled by BIOS.

Are Intel Software Guard Extensions necessary, or can I ignore that message?

I stumbled upon this thread in Archlinux’ forum:

https://bbs.archlinux.org/viewtopic.php?id=269249

That forum posts contains a link to a page that should explain what SGX is (http://xiangyi.pro/2020/enable-software-controled-sgx-in-ubuntu/), but it returns a 502 error. I found this page, Intel Software Guard Extensions SDK for Linux OS, which also explains what Intel Software Guard Extensions are.

It seems something useful to have, as long as I could enable it on my computer.

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