Sure. I’m not saying death is the sole provider of meaning, but still a major one, no matter how far we push it. As long as an inevitable end exists, we will adjust our life and actions with it.

> death lurking around the corner every day.

It will still be lurking around the corner and it will change your risk calculus completely. Today, if you go out and get hit by a bus, at worst, you lost 70 years of your life. In the future, you're risking 10-100k years of your life. What's worse is having to accept this risk for your loved ones.

A better question to consider would be, what would people do if they had only 1/5/10 years to live.