Disclosing that you spend half the median income on top-spec Apple hardware every year is a confession, dude. There's no justifying that spend, past, "I like having the newest toys." Happy for you and whatever sales rep whose performance review you're making a slam dunk. It's still not good advice for the vast majority of people who use their computers for work.

You're an economic elite living in what is commonly known as a "bubble"; consider the response to your initial post a momentary popping of it.

I don’t spend anywhere near that. It resells for 60-80% when I replace it a year or two later. That offsets the cost drastically.

Spending $700 per month on your work tools (where that represents 2-3% of revenue) is not unreasonable. My minuscule office space in the shitty part of town costs as much.

I think anyone running their small business that depends on high performance computers should have an annual budget of at least 1% of revenue for hardware.

It's still thousands in unnecessary spend. You've likely thrown away a few years of post-retirement funds, and at least a few months of runway in the case of a crisis or emegency. It doesn't matter if it seems like a reasonable expense as a percentage of revenue, because the marginal improvement in productivity, for the vast majority of people, is going to be insignificant.

You can justify it to yourself however you like, but outside of your bubble, it's a poor allocation of money.