8 bits is insignificant unless you're sending SOS.
You do realize that 4 bit wide numbers are the latest hype in computer technology, so much so that the popular press is citing performance metrics based on 4 bit number computations per second?
Some industries have a glaring issue where they tend to NOT hire women, if only for the exact reason you eloquently stated, because they are physically different.
Have you ever witnessed a hiring process in an IT company where a female appearance was actually held as an argument against a job applicant? In all my years in IT, I have only ever witnessed the opposite - recruiters being happy if any women applied for an IT job, at all.
There are certainly jobs where physical appearance is a hiring criterion. But I have not seen a charity yet giving money to men to help them getting a job as a fashion model, or a charity giving money to short people to help them becoming basket ball professionals.
It's hard to understand why speculative execution information and control mechanisms are available to user mode processes at all.
That information is not intentionally made available to user mode processes. Essentially, all the SPECTRE type side-channel attacks exploit that the time certain normal user mode instructions take differs, depending on what other users or the kernel do on the same CPU.
Anyone can make an omelet with eggs. The trick is to make one with none.