It’s a microkernel OS, it’s going to be slower by its very nature. And on ARM it wastes memory due to its 16KiB pages.
Yawn. Ever heard of https://en.wikipedia.org/wiki/L4_microkernel_family ?
Or https://en.wikipedia.org/wiki/Genode ?
(Wenn man keine Ahnung hat...)
Keep your rude attitude to yourself.
Otherwise don't be offended when people are offended by regurgitated and meanwhile disproven non-sense.
kthxbye