Work means the creation of things. Clicking on stocks for your 401k is not working.
Please provide an example of how logging in to fidelity.com to see that today my net worth increased by a multiple of my annual salary constitutes "work". Define your terms so it's clear to readers.
Are you sure you tried to come up with a counter example?
If the only kind of “work” is “selling your labor” then sure, but I think a farmer tilling his own soil is “working”.