It does seem like today a lost of Muslims are developing it, but unlike algebra, they did not invent it.
My faulty assumption that the acid throwing attack is South Asian in origin arises from a combination of having been stationed in Calcutta (1970-1971) and a steady stream of reporting over the past 20-30 years. Both almost invariably pointed to the practice as a particularly South Asian practice.
Confirmation bias. Need to work harder in avoiding that.
Good to check the mirror periodically when you start to get too full of yourself. Vindictiveness is a citizen of all nations and peoples.
But they embraced it as their own.