A lot of blogs over the last decade took this advice too seriously and set up dark grey on light grey color schemes that are really hard to read.
I can see using 08 for general text so that headers and other stand-out bits can be 00. And, I can see using an off-white to tone down a bit from paper-white.
But, monitors in general only cover a tiny bit of the brightness range you are accustomed to in daily life. Pretty much the range from "black paper" to "white paper" in a normal office setting. Certainly not "Vanta Black^(TM)" to "Staring at the Sun". And, 256 steps is only just barely enough to cover that tiny range semi-smoothly. Using that tiny range effectively is a struggle. Restricting yourself to subset of that range is an even bigger challenge.
I can see using 08 for general text so that headers and other stand-out bits can be 00. And, I can see using an off-white to tone down a bit from paper-white.
But, monitors in general only cover a tiny bit of the brightness range you are accustomed to in daily life. Pretty much the range from "black paper" to "white paper" in a normal office setting. Certainly not "Vanta Black^(TM)" to "Staring at the Sun". And, 256 steps is only just barely enough to cover that tiny range semi-smoothly. Using that tiny range effectively is a struggle. Restricting yourself to subset of that range is an even bigger challenge.