Well, I like to browse on a browser - if I'm reading TE at one point, then suddenly I might find something else that I need to check up on (a google search or a completely irrelevant website) and if you're using Tapatalk, then you will have to switch over to the browser for something else - too much switching for my comfort (may be because I'm not so much of a power user)
Another example is when I'm looking for places for rent - I search on one site and then if there's something nice, I'd like to open that in a different tab leaving the current search results as they are so that I can come back 5 minutes later and resume my search. But if a device/ecosystem can't handle this, then I'm not sure what the point of charging a premium is!