Re: Quite true
There's no such thing as a 'human rights directive'...
European Convention on Human Rights (shortened to ECHR). The ECHR is a Council of Europe treaty, including all EU countries, but also Russia, Turkey etc. (41 countries are signatories, as well as the EU itself additionally).
The European Court of Human Rights (which is in Strasbourg), rules on breaches of this treaty, which is why you have cases like "R v Russia" and "Z v United Kingdom". Churchill was a fan.
The Human Rights Act [of [UK] Parliament], gives effect to this treaty in the UK.
Withdrawing from the ECHR would be a bit like the USA withdrawing from its Constitution. Crazy.