> number one regret
This is sometimes phrased as an absolute: no one says they did not work hard enough.
But if you have a great vision which could be of service to others -- aka valid dream -- you could regret not working hard enough.
But a dream might usually be orthogonal to "time at the workplace".
*people who could afford a palliative care nurse
Almost all very wealthy countries have socialized healthcare including palliative care. For roughly a billion people, palliative care is free.
Even in the US, palliative care is covered by Medicare.
I spent too much time at work.
(This was in a very wealthy county.)