This is no more artificial then a boss with an enrage timer.
Instead of limiting the amount of time you fight a boss per attempt, they are limiting the amount of time you have to spend on a boss per week. Identical concept, just slightly grander in scope.
Quite funny too, that if someone can't kill deconstructor in 6 mins, they "need more dps" or "learn 2 play". But if you can't learn Algalon quick enough, it's an "artificial concept" or "retarded design". Pretty much confirms the level of self-absorbed tortured logic some people are capable of, I guess.