A website should fundamentally be a different degree of commitment than installing an application into the user's system I agree with that, but this is opinion

A website should fundamentally be a different degree of commitment than installing an application into the user's system I agree with that, but this is opinion and not fact. There's a lot of money invested in blurring/obviating this distinction, exactly because installing a real app has more hurdles (both for the developer and for the user).