Because nobody wants to eat matzah once there is no mitzva for it.
BTW there already is no Mitzwah to consume Matzoh once the Seder is over, so I hope that once the Mitzwah to consume Matzoh was over, that you Yserbius123 were able to hold off another week before obtaining your pizza.
DaasYochid
If you think it’s so terrible, why did you do it?
No, I don’t do it, because I am already saving my money for the best quality steak at the moment of Chatzos on Ov 10th.