Wasn’t this premise part of the story in The Matrix where they initially created a perfect work but the humans didn’t thrive in that. We needed a world with some pain so we can enjoy living.

In discussions about what you’d change in your past I’m fairly unusual in that I wouldn’t change anything, including the bad bits [0] because it’s all part of what has formed the person I am now.

In the plant world a forest fire is often good in the long term as it helps with the distribution of nutrients so allows fresh growth.

[0] I appreciate that for some people there will have been possibly devastating events or rabbit holes they’ve been down from which they haven’t been able to recover and they may well have a different view.