There is such a thing as repetitive strain injury.
Unless you just assumed it, I dont think they admitted to anything when they increased the number of tasks completed per click, but maybe you did read it somwhere that I cannot.
Oh and they are not equivalent, if they introduce something, heinous as it might be, its official,if someone introduces something either illegal or tolerated for convenience, that's something altogether different.
Oh and apart from being able to do multiple tasks in such a short time as was complained about, i.e.the sneaking up on someone and running, it's only possible because it's possible within the parameters of the game, and because they made relocating and dropping and engaging shields
cost inconsequential.