This graph shows the capital expenditures of Alphabet, Google's parent company, expanding rapidly over time. Investors are worried about it. But should they be.So, there is some substance to these worries. I mean, Google is spending a ton of money. It's spending so much money that it's now free cash flow negative, which essentially means that it has more cash going out the door than it comes in the door.And so, it's burning through money essentially to pay for AI. So there's a lot of concern hovering around ...