Or more accurately 'I quit working in a job for someone else, and switched to working in a job for myself writing a web app that has paying customers.'
When I see 'I quit my job' I tend to think that the person no longer works for a living, which is not what this article is about.
Did medium just start blocking content if you dont log in? Used to be an annoying popup..
Use NoScript extension and you'll be fine. It works with other sites too and make some of them load faster.
Another good extension for selectively blocking JavaScript, cookies, etc. is uMatrix (from the maker of uBlock Origin). (I've been a happy user of it for many years.)