Isn't option 3 the same as option 1? Just requires slightly another sort of reverse engineering. So, Twitter has only two options: a) play all sorts of cat-and

Isn't option 3 the same as option 1? Just requires slightly another sort of reverse engineering. So, Twitter has only two options: a) play all sorts of cat-and-mouse games until either users give up or Twitter gets exhausted, or b) give up on pseudo-exclusivity and open up.