Yes, the violent protests in the Middle East are upsetting but so are these equally violent hate crimes in the streets of London and Manchester. Radicalism and violence are not reserved for Muslims; here we see white men (79% of perpetrators of hate crimes were white men) being just as radical and violent.
The British protests against Rushdie's novel and these more recent protests are commonly understood in terms of the free speech versus religious offence argument. But it is important to think beyond this limiting binary to attain a greater degree of intercultural understanding in twenty-first century Britain.