@Frax it's plausible but completely unsupported. Take a note from the relevant Reddit community:
"It is typically defined as having enough income (from investments, passive businesses, real estate, etc) to pay for your reasonable living expenses for the rest of your life. You have the freedom to do what you want with your time (within reason). Working (full or part time), hobbies which generate income, or other activities are optional at this point."
https://www.reddit.com/r/financialindependence/wiki/faq