I think it’s the kind of monopoly that forces customers to buy in their App store products produced by Apple or sanctioned by Apple, you know like you can only drink coca-cola at Macdonald’s or drink Starbucks coffee at a Starbucks cafe, or ... let’s put it simply: people can choose androids phones; Windows PC; or whatever...
You can always just use the millions available rich HMTL 5 web apps as Steve intended.