After the knee wealth is not the major factor in happiness, other factors take over like friends, relationships, weak tie relationships, etc etc etc. If you want to be happy optimizing for wealth only makes sense under the knee.
After that, it's other factors, and extreme wealth may even harm those due to inequality.
There's a dramatic difference in having the kind of money that allows you to look forward to retirement and having the kind of money that allows you to alleviate the boredom of you and your closest 5 friends by taking a 6 week retreat to Bali.
A six week retreat to Bali might alleviate the surface boredom, but it will just self-medicate the emptiness that causes the boredom, though.