Do you think that checking the car's BLOWBAG is effective when planning a long road trip?

BLOWBAG also known as the car's Battery, Light, Oil, Water, Brakes, Air, and Gas are the most important parts of the car to ensure safety on the road. A lot of articles states that checking the car's BLOWBAG helps car owners enjoy their trip without worrying that their car might breakdown.

I think the acronym BLOWBAG is also beneficial to car owners as it helps car owner do simple car maintenance task by ensuring that these parts are in tip-top shape. Do you find BLOWBAG helpful when you have a planned trip and car maintenance in general? Your thoughts would be highly appreciated.