Article's author here. Arguments about "older browsers" are specious, particularly on iOS where Apple couples the browser engine to the OS, and forces all browsers to use Apple's binary.
If there is a legacy browser problem today, it is entirely within Cupertino's gift to address. Everyone else already moved to out-of-band, decoupled autoupdates. Even ChromeOS is dramatically more up-to-date fleet-wide.
If there is a legacy browser problem today, it is entirely within Cupertino's gift to address. Everyone else already moved to out-of-band, decoupled autoupdates. Even ChromeOS is dramatically more up-to-date fleet-wide.