In Nuh, the district attacked by the Islamist mob, Muslims make up more than 76% of the population. And the numbers are only rising at an alarming rate.
In essence, Monu Manesar was merely an excuse to unleash violence. The real problem was that thousands of Hindus had dared to enter a "Muslim area", as the Islamists call it, and therefore, their mere existence was a trigger that justifies the Muslim mob going on a rampage against Hindu devotees and their religious places.