Death does indeed reveal the answer to all of this, but it's not the grand escape into nothingness that many fear it is.

The basic "stuff" that makes up the materials of the Universe are actually quite indestructible, we can't delete anything so it disappears forever, we can only change the format of the materials so it appears to be different.

When we die, our bodies and minds fall apart, and with them so too does our ability to track the flow of time. You know how when you lose consciousness, you wake up again and time seems to have warped forward somehow, like after a night of dreamless sleep? Death is a lot like that, only on a much, much larger timescale.

Without our consciousness to track the flow of time, and the way the materials of the Universe are always shifting and flowing, it won't matter if it takes even a trillion years for your parts to regain the consistency and form of a new body capable of conscious thought, from your point of view it really will be like waking up after a night of dreamless sleep.

They say death is the eternal sleep, a scenario where you go to sleep and never wake up again, to which the only truly appropriate response is: to wake up having never gone to sleep in the first place. That's what birth is.

For better or for worse, all of us are trapped here, together, forever, with zero possibilities of escape. This alone is enough existential nightmare to scare away almost 99% of the human population from pursuing the objective meaning of life, and unless you feel you can easily accept a universe where you are the only thing that exists, it's probably best to stop at that point.