When adjusted the way the article has stated, moving your head slightly to see the lines is trivial.
Plus, being parked slightly off-center or dinging a car in a parking lot is nowhere near as bad as causing a potentially deadly crash by merging into another car at high-speed.
I know this is just a meme, but I think it’s an important clarification: The rule of thumb is ~6 months’ worth of expenses, not salary. It really is important to hold you over in case of sudden job loss, since it takes most people 3-6 months to find a new job (but it doubles as a fund for genuine emergencies too, which can save your ass for stuff like unexpected medical or vet bills).
But unfortunately, lots of people live paycheck to paycheck, so for them, a month’s worth of expenses is the same thing as a month’s salary…