Not entirely true. Some businesses have a yearly cycle, and you lose money for long stretches of the year, only to make it up during your busy season.
Typically businesses lose money for their first few months of operation.
There are also businesses that spend more than they make, but rely on appreciation of core assets to ultimately make money; real estate investments can have costs higher than their income, but the appreciation of the real estate over time can make the investment pay off when the property is sold.
Rule #1 in business is to have an exit strategy that results in a profit from investment would be a better way of putting it.