Once a clear buy signal for investors, large-scale share repurchases now often indicate that a company with a legacy moat has no better use for its cash. This can be a red flag that its core business is being disrupted by new technology, as seen with cable networks and department stores.

Companies often announce and execute buybacks to appease the market, not because their stock is undervalued. This programmatic repurchasing, especially at cyclical peaks, destroys value. Truly value-accretive buybacks are rare because most managers lack the capital allocation skill to time them effectively.

Dividends do not inherently increase an investor's capital, as a dividend payment reduces the stock's price by the same amount. Total shareholder return is only achieved if the dividend is fully reinvested without taxes or fees; otherwise, only price appreciation grows the initial investment.

Liberty Global's management publicly emphasizes their deep sum-of-the-parts discount but has stopped buying back stock. This contradiction suggests their true priority is conserving cash to deleverage subsidiaries—a less efficient use of capital from the parent company's perspective—which should raise red flags for investors.

Despite S&P 500 companies spending over a trillion dollars on share repurchases, the aggregate share count has not meaningfully decreased in 25 years. These buybacks primarily serve to counteract the massive stock dilution from executive compensation, creating an illusion of shareholder return while enriching insiders and levitating stock prices.

Companies termed "share cannibals" aggressively repurchase their own shares, especially when undervalued. This capital allocation strategy is often superior to dividends because it transfers value from sellers to long-term shareholders and acts as a high-return, low-risk investment in the company's own business.

Fairfax follows a clear capital allocation framework. They prioritize open market buybacks when the stock is below 1.5 times price-to-book. Above that multiple, they shift capital towards closing out their Total Return Swaps, providing a predictable approach for investors.

Profitable, self-funded public companies that consistently use surplus cash for share repurchases are effectively executing a slow-motion management buyout. This process systematically increases the ownership percentage for the remaining long-term shareholders who, alongside management, will eventually "own the whole company."

Inspired by baseball's 'Wins Above Replacement' (WAR) metric, M&A should be evaluated not against doing nothing, but against a 'replacement-level' use of capital, such as a share buyback. A buyback is a readily available, low-risk alternative that most acquisitions fail to clear as a comparable benchmark.