Did you actually read the article? Multiple times, they talk about how they're just trying to find a smooth, comfortable workflow and don't need every detail perfect (at least initially).
The core initial setup here took about 2h30 from getting the laptop out of its packaging to being able to run and develop my main project's code within the environment I described.
Even if it takes you a full 2 days, that's literally 0.1% of your time over the 5-year life of a machine. Sharpen your axe before you go into the woods.