True, population only grew 200,000 every centaury since, the 1500's. Sewage systems, clean water / food processing, medications, automobiles, and tools meant less wear and tear on the body. Baby boom and longer life expectancy and 7 billion surplus humas up form 1.18 billion cashed the grand plan.
If they are not planned for IN BUSINESS plans then yes, they are. Considered so, as they become outlier's and unexpected event, and then contingencies to the plan that need to be considered. Sorry it sound so cold and harsh. How else to talk about over population of the business plan.