But the same thing is true of both Facebook Messenger and discord and while signal collects nearly no metadata, both FB messenger and discord collect as much metadata as possible.

The post does say he(OP) suggested(not requested) use of signal. I don’t think more context is needed

Is this is how it is taught in schools as well? Doesn’t the scientific community use the symbols in the order, i.e, “.” for decimals and “,” to separate thousands, etc.