You can do things correctly, with thought and attention even if they seem unimportant, or you can be a feckless dipshit. This applies to most things in life.
The argument is that it doesn't make a difference at certain levels of mowing.
From that perspective, it's like someone going over their strategies to avoid overloading their car's suspension when they're buying groceries. That's not a "thought and attention" scenario, that's a "why do you have half a ton of groceries" scenario.
