I believe that if you never were in a position where your job was a soul-crushig source of misery and despair, you've been lucky to live a sheltered life.
Most people don't have the privilege of picking and choosing outstanding jobs with decent work/life balance, nice colleagues, reasonable deadlines and considerate stakeholders. Most people have rent/mortgage to pay, kids to feed, and unfavourable odds of improving their life with low risk and impact on your life. I'm sure they gained a lot of life experience too.
Personally, I’ve been on both sides of this conversation. Grew up dirt poor, started working as a teen to help my family make ends meet, and dreamed of a “better” life where the work I did mattered to me and the money I made would be sufficient to not constantly wonder where the next meal comes from. A constant source of that soul crushing misery and despair.
Later in life, I was fortunate enough to experience the lifestyle afforded by a Silicon Valley salary after working my ass off to get there, an “arrival” of sorts.
Younger me had no ability to comprehend why this high paying job would make me more deeply unhappy than I’d ever been in my life.
Life experience is contextual and relative, but important nonetheless.
I would go further - majority of people on this planet live painful and miserable life.
The adage is generally that wisdom comes with age, and there are some things in life that are difficult to internalize until you’ve gone though the experience.
To me, it’s just another of saying “the more life experience I gain…”.