Yes. At the same time some aren’t that sure or scared of death. And the rules are that detailed that lots of people have committed some kind of offense and can’t expect to go to heaven for sure.

Also the bible has implemented some additional rules so you can’t take a shortcut to heaven… Suicide won’t do it because (surprise) it’s a sin… And generally speaking god is just testing you with this life. That’s kinda the only thing why it matters and why you would want to behave and live it like he intended.

Also there is martyrs, suicide cults etc taking that shortcut straight to heaven.