You said <<every taxpayer must be aware of the amount of the stimulus payment they received in 2019>>. Not true, you mean received in 2020.

Also, the PS Organizer first question is: Did you receive an Economic Impact (Stimulus) Payment? Yes or No.

If yes, how much did you receive? ______________

Of course most don't read the Organizer, let alone complete it. But it's worth a shot.