Nothing to do with 'hybrid' or 'road' bike, or 'mtb' for that matter.
Everything to do with how long/far one rides, and the need to avoid chafing. That is what a chamois ('pad') is for: moisture management/prevention of chafing.
Short rides, under say 20kms? No need, really. Anything much longer, many cyclists (self included) prefer cycling shorts.
