Not at all. First, electricity is much more expensive than the price they put in their estimate. Second, a computer running at 100% CPU uses much more electricity than what they accounted for.
Let us not tunnelvision with US/USD PoV only. There are other countries and currencies in the world; both places where electricity is cheaper and more expensive.
https://www.nicehash.com/profitability-calculator/intel-cpu-...