Original sentence: The counterpart to the PTC in the UK is Mediawatch, an organisation apparently having a membership of some 40,000 people, but which has a much smaller impact than its American cousin
Edited sentence: The counterpart to the PTC in the UK is Mediawatch, an organisation apparently having a membership of some 40,000 people, but which has a much smaller impact than its American cousin, due to the fact that free speech is more valued in the UK than it is in the United States