Because you asked for reasons: The context of this conversation is how a product should have been done. The devs that make that product want people to use it.

Because you asked for reasons: The context of this conversation is how a product should have been done. The devs that make that product want people to use it. You're suggesting that they ignore part of that user base, based on a claim that people shouldn't browse the internet however is most convenient for them. E.g. by using a computer they already have instead of a tablet they might not. All parts of that reasoning are ridiculous.