No, they won’t. They’re criminals! That’s your first clue.
You really are thick. The system is not perfect, but it does collect a federal tax on all new products and services - so everyone, regardless of whether they pay income tax, will at least pay something on all their new purchases.
The law abiding grocery stores, jewelry stores, car dealerships, boat dealerships, electronics stores WILL COLLECT THE TAX FROM EVERYONE CRIMINALS INCLUDED.