nobody in their sane mind ever publicizes anything of real value ... while that does not mean some things work like gold. They are just hard to find. some things for example needs tons of patience .... most people don't have that.
Only a few times I've seen full working systems posted. Full backtestable, open-source, verifiable systems that is - not discretionary garbage, not to offend but discretionary is impossible to be verified by other people.
They stop working within a few years, arbed out of existence.
