This is a good question. Very few people have the means and motive to write an OS in a bubble and I wonder if it leads to the same tradeoffs.
TempleOS is real mode.
What do we do all day?
TempleOS does not run in real mode, it runs in long mode (64 bit)
The author had some... memorable quotes. It was a reference to his most infamous post. I assumed the OP knew about the author's past and wasn't asking for a genuine comparison. Tho looking back I'm not so sure.