Earlier quoted context omitted.
Then you're out of step with what users want these days. Nothing wrong with that! But to take an example, when I hit a share button on a page I want to see the native share box, not some hideous iframed monstrosity that only works with Facebook. So I want Web Share. And I don't want to download an entire native app just so that I can receive a push alert when my food order is on the way, a web site works much better…
"As a user, I don't want this" seems like a reasonable claim. "Then you don't know what other people want" doesn't seem like a reasonable response. People want a lot of things - but only use what they can access. Additionally, people will deliberately choose to use broken/painful systems if they have to, in order to accomplish a broader goal. Finally, the vast majority of systems used by users are built because they…
"As a user I don't want this therefore no one else should have it either." is a bit less reasonable, and implies that you don't know what other users want or care about what they need.