Apparently yes, they are. That was the reason I raised the question. Anybody with access to a phone or computer is a potential customer, and we've had IE11s and

Apparently yes, they are. That was the reason I raised the question. Anybody with access to a phone or computer is a potential customer, and we've had IE11s and Safari 10s walk past. If you'd like another example, look at native date pickers. Safari 11 still doesn't have one.