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Ronaldo’s $20 Billion AI Bet Sparks Bubble Fears
A recent investment by soccer superstar Cristiano Ronaldo in Perplexity AI, at a staggering $20 billion valuation, is raising eyebrows among financial analysts who question whether the tech sector is entering another speculative bubble. The move highlights a growing trend of celebrity capital flowing into artificial intelligence startups, even as fundamental metrics suggest inflated valuations.
The concerns aren’t about Ronaldo himself. As one observer noted, he’s “the greatest goal scorer in professional soccer history” and has successfully built a $1.4 billion buisness empire – an “extraordinary” feat by any standard.the question,however,is what expertise a sports icon brings to evaluating complex AI technology.
Perplexity AI, at its core, doesn’t develop its own proprietary AI.Rather, the company offers a search interface that allows users, through a Pro subscription, to select between established models like GPT-5 from OpenAI, Claude from Anthropic, and Gemini from Google. essentially, Perplexity has built a sophisticated front-end on top of technology created by others.
The financial implications are striking. By March 2025, Perplexity had achieved roughly $100 million in annual recurring revenue. However, “at a $20 billion valuation, that’s a 200x revenue multiple,” a figure that sharply contrasts with typical valuations in the software-as-a-service (SaaS) sector. For context, typical SaaS companies trade at 7-8x revenue, while even rapidly growing AI startups average between 21-40x.
this disparity evokes the Greater Fool Theory,a concept studied at institutions like Harvard Business School. As one analyst explained,the theory posits that investors don’t necessarily need to believe an asset is worth its price; they simply need to believe someone else will be willing to pay more for it. This dynamic can drive prices to unsustainable levels.
History is replete with examples. the Dutch Tulip Mania of 1637, the South Sea Bubble of 1720, and the dot-com crash of 2000 all followed similar patterns, with prices soaring far beyond intrinsic value fueled by a continuous influx of buyers.In each case,the bubble eventually burst when the stream of new investors dried up,leaving someone – “the Last Fool” – holding the bag.
The current situation isn’t necessarily a prediction of doom. as one source clarified, “I’m not saying Ronaldo is that person.” However, the influx of “celebrity capital – capital that by definition cannot evaluate technical architecture, margin structure, or competitive moats” into AI startups at such inflated multiples is a notable indicator.
This trend is juxtaposed with the efforts of companies like Curiouser.AI, which is taking a more grounded approach. Backed by a community of under 100 investors and nearly $500,000 in pre-launch funding, Curiouser.AI focuses on designing AI to “augment work, create jobs, and elevate humanity.”
“The trick with technology is to avoid spreading darkness at the speed of light,” a sentiment that underscores the need for responsible AI development. The investment in Perplexity AI,while not inherently negative
