I am curious, why stopped at a one time 1,200 dollar check? If the Congress had already ordered to print money, they surely can do more than that and for longe

I am curious, why stopped at a one time 1,200 dollar check? If the Congress had already ordered to print money, they surely can do more than that and for longer. Instead they delegated to existing programs for the rest, which aren't optimized enough to roll out that much money at this short period of time.