Compared to app platforms, I think it is more open and more focussed on readers and devs. The problems you list are annoyances of some websites, not even the majority. For example they don't apply to the site you are currently on not hard limitations.
In contrast iOS forbids other payment systems (see deliberately limited kindle app) and browser engines. Android forces manufacturers to prominently feature lots of google products.
In contrast iOS forbids other payment systems (see deliberately limited kindle app) and browser engines. Android forces manufacturers to prominently feature lots of google products.