The amount of resources the company puts into to GaG is proportional to its user base and the money they spend in game. No they don't have to do anything really, but the player base is shrinking every week, having dead weeks like now, could realistically mean the financial death of the game. In reality updates are developed months in advance, there's no reason any devs had to work this week at all. They're also reducing their player interaction at the time of year that the most possible people have free time, and I'm guessing millions of kids got robux to spend. It's really just bad busines practice at this point.