![shutterstock_451699957](https://i1.wp.com/wonkhe.com/wp-content/wonkhe-uploads/2022/03/shutterstock_451699957-scaled.jpg?w=2560&ssl=1 2560w, https://i1.wp.com/wonkhe.com/wp-content/wonkhe-uploads/2022/03/shutterstock_451699957-scaled.jpg?resize=430%2C242&ssl=1 430w, https://i1.wp.com/wonkhe.com/wp-content/wonkhe-uploads/2022/03/shutterstock_451699957-scaled.jpg?resize=200%2C112&ssl=1 200w, https://i1.wp.com/wonkhe.com/wp-content/wonkhe-uploads/2022/03/shutterstock_451699957-scaled.jpg?resize=1316%2C740&ssl=1 1316w, https://i1.wp.com/wonkhe.com/wp-content/wonkhe-uploads/2022/03/shutterstock_451699957-scaled.jpg?resize=1536%2C864&ssl=1 1536w, https://i1.wp.com/wonkhe.com/wp-content/wonkhe-uploads/2022/03/shutterstock_451699957-scaled.jpg?resize=2048%2C1152&ssl=1 2048w, https://i1.wp.com/wonkhe.com/wp-content/wonkhe-uploads/2022/03/shutterstock_451699957-scaled.jpg?resize=120%2C67&ssl=1 120w)
David Lunn
David Lunn is a research fellow and UCU branch secretary at SOAS University of London. He writes here in a personal capacity
![shutterstock_451699957](https://i1.wp.com/wonkhe.com/wp-content/wonkhe-uploads/2022/03/shutterstock_451699957-scaled.jpg?w=2560&ssl=1 2560w, https://i1.wp.com/wonkhe.com/wp-content/wonkhe-uploads/2022/03/shutterstock_451699957-scaled.jpg?resize=430%2C242&ssl=1 430w, https://i1.wp.com/wonkhe.com/wp-content/wonkhe-uploads/2022/03/shutterstock_451699957-scaled.jpg?resize=200%2C112&ssl=1 200w, https://i1.wp.com/wonkhe.com/wp-content/wonkhe-uploads/2022/03/shutterstock_451699957-scaled.jpg?resize=1316%2C740&ssl=1 1316w, https://i1.wp.com/wonkhe.com/wp-content/wonkhe-uploads/2022/03/shutterstock_451699957-scaled.jpg?resize=1536%2C864&ssl=1 1536w, https://i1.wp.com/wonkhe.com/wp-content/wonkhe-uploads/2022/03/shutterstock_451699957-scaled.jpg?resize=2048%2C1152&ssl=1 2048w, https://i1.wp.com/wonkhe.com/wp-content/wonkhe-uploads/2022/03/shutterstock_451699957-scaled.jpg?resize=120%2C67&ssl=1 120w)
David Lunn is a research fellow and UCU branch secretary at SOAS University of London. He writes here in a personal capacity