Why do religions torment people with guilt and a fear of torturous hereafter if they don't believe in God ?

ONE MIN U CALL URSELF A SIKH AND NEXT MIN U HAVE THE CHEEK TO TURN AROUND AND SAY RELIGION IS THE WORST THING THAT HAPPENED TO HUMANITY! HOW DARE U! SIKHISM IS THE BEST THING THAT HAS HAPPENED TO HUMANITY.. LOOK AT WOT SIKHISM PREACHES.. IT ONLY PREACHES GD AND U KNOW THAT ASWELL AS ME SO HOW CAN U TURN AROUND AND SAY THIS.. U DONT WANNA BELIEVE IN GOD UR CHOICE, DON'T.. WHY **** URSELF OVER THE CONSEQUENCES THEN?