I don’t get this “human rights is a bad thing” standpoint. Human rights are a good thing- they let families stay together, stop people being hurt, working harder than they should or doing things that they shouldn’t have to do.
This man has served the punishment that the British legal system has seen fit, this does not include being beaten up by ignorant members of society for all eternity.
There are rare occasions where they seem to be an inconvenience, but on the whole they are a great basis for civilised society.