This vastly understates the seriousness of problems you can run into. It was just last year that all of Alaska Airlines was grounded [0] because of issues with weight and balance. While those takeoffs resulted in tail scrapes, they could've just as easily lead to running out of runway if the bug had been slightly different [1].
[0] https://www.adn.com/alaska-news/aviation/2023/02/20/after-al...
[1] https://news.ycombinator.com/item?id=34898361