I agree with your point, just want to add; I think the point of existential deliberation at it's root is to overcome existential despair. I think for 'typical'

I agree with your point, just want to add; I think the point of existential deliberation at it's root is to overcome existential despair. I think for 'typical' people doing what feels right is an effective means to overcome this, but people who deliberate on it obsessively do so because they either don't know what feels right or are unable to extinguish their despair by doing what feels right, and are driven to search for answers. Like you said, trying to use reason to find some meaning in life is probably not going to be successful. Some people, I suspect, might be unable to stop obsessing about the meaning of life and that could be the cause of their despair. They'll never find an answer and get relief in that way, but they also don't have the power to stop themselves from trying