It should also be very cynically [1] noted that Shami Chakrabarti, the director of Liberty for 12 years and excellent spokesperson, followed Labour party line and abstained [2]. So much for her strongly held beliefs. She wasn't a sell-out though - so she says [3]. No wonder voters are truly cynical about politics.
[1] https://www.theguardian.com/uk/shami-chakrabarti Just look at her history before and after Labour peerage (Aug '16).
[2] http://www.huffingtonpost.co.uk/entry/shami-chakrabarti-has-...
[3] https://www.theguardian.com/uk-news/video/2016/sep/04/shami-...