> (Still sore Apple did not stick to the 1kB = 1000 bytes of the original MacOS and gave in to the "powers of two" insanity ;-)

Actually, Apple switched back to 1kb = 1000 bytes ("back" assuming you're right about the original MacOS) with Snow Leopard back in 2009. [1]

[1] https://blog.macsales.com/1852-snow-leopard-changes-they-way...