B “Yes. (it’s an OS btw)”

Haha, I absolutely hate it when people say that.

A “How can it be an OS if it hasn’t got a scheduler?”

B “Doesn’t need one, it hasn’t got threads.”

(I get zero lag myself BTW unless I’m connecting to an LSP server or something like that. Not since I gave up on using it for email anyway.)

A video is possibly the worst way to convey this information. You may have got a lovely voice but just write it down ffs