Extremely high profit margins in a monopolistic market act as a public signal for disruption. Amazon is entering the satellite internet space because it can significantly undercut Starlink's pricing and still be highly profitable, perfectly illustrating the "your margin is my opportunity" playbook.

The Starlink satellite business is the financial engine of SpaceX, comprising 70% of its revenue. It boasts impressive software-like metrics, including over 50% CAGR revenue growth and EBITDA margins exceeding 50%. This high profitability in a hardware-intensive business is a key justification for its premium valuation.

Counterintuitively for a high-growth tech business, SpaceX's Starlink is deliberately lowering its Average Revenue Per User (ARPU). This strategy prioritizes rapid global subscriber acquisition and establishing long-term market dominance over maximizing short-term revenue per customer.

Piecyk notes that Verizon and AT&T likely destroyed far more enterprise value worrying about SpaceX than spending 8 billion dollars on spectrum would have cost. By purchasing that spectrum simply to foreclose competition, incumbents could have legally prevented SpaceX from acquiring essential terrestrial assets.

While Starlink's customer base quadrupled, its average revenue per user (ARPU) fell from $99 to $81 over two years. This is a strategic shift from a niche, high-end service to a mass-market competitor, requiring aggressive price cuts that challenge early, highly optimistic financial models from analysts.

SpaceX's public threats to compete directly with telcos are not a primary business strategy, but rather a form of posturing designed to leverage a more valuable partnership deal from carriers like T-Mobile.

Carriers currently downplay SpaceX's cellular ambitions, arguing its spectrum holdings are too small to pose a legitimate competitive threat. However, Piecyk observes that when those same carriers inevitably attempt future mergers, they will flip their argument and cite SpaceX as a major competitor to win antitrust approval.

Starlink's long-term growth isn't from high-paying rural internet users. The financial model projects acquiring 1.1 billion users by 2040 through a "direct-to-device" strategy for phones and cars. This requires accepting a much lower average revenue per user ($3-5/month) in exchange for massive scale.

Starlink's entry into African markets does more than just provide an alternative internet service. Its presence creates competitive pressure on incumbent mobile operators, forcing them to improve their own services and pricing to avoid losing their most valuable customers to the new satellite option.