These hacks have been around for years - they're standard practice in mass casualty incidents (e.g. a lot of the research on ventilator-sharing was done after t

These hacks have been around for years - they're standard practice in mass casualty incidents (e.g. a lot of the research on ventilator-sharing was done after the Vegas shooting) where sudden surges of requirements outpace local supply. We're just in a situation where well-known and -studied emergency procedures are becoming standard practice.