The questions I'd like to see elaborated on: What value does the average user derive from being able to run Blink, Gecko, Presto, etc.? For apps with embedded b

The questions I'd like to see elaborated on: What value does the average user derive from being able to run Blink, Gecko, Presto, etc.? For apps with embedded browser engines, to what extent should the publishers be held responsible for patching them against cybersecurity threats?