Fund managers are like zebras. Those in the middle (owning popular stocks) are safe from predators (getting fired), even if performance is mediocre. Those on the outside (owning unfamiliar stocks) find better grass (higher returns) but risk being the first ones eaten if an idea fails. This creates an institutional imperative to stay with the consensus.

The S&P 500 is no longer a passive, diversified market index. Its market-cap weighting has created a concentrated, active-like bet on a few dominant tech companies. This concentration is the primary reason it consistently beats most diversified active managers, flipping the script on the passive vs. active debate.

Keynes successfully managed a concentrated fund for King's College but was pushed out of an insurance company for the same strategy. This demonstrates the institutional imperative to minimize tracking error, which pressures managers to conform to the index and "fail conventionally" rather than risk the short-term underperformance needed to succeed unconventionally.

Great investment ideas are often idiosyncratic and contrary to conventional wisdom. A committee structure, which inherently seeks consensus and avoids career risk, is structurally incapable of approving such unconventional bets. To achieve superior results, talented investors must be freed from bureaucratic constraints that favor conformity.

The underperformance of active managers in the last decade wasn't just due to the rise of indexing. The historic run of a few mega-cap tech stocks created a market-cap-weighted index that was statistically almost impossible to beat without owning those specific names, leading to lower active share and alpha dispersion.

Due to their monopolistic and conservative nature, pension funds punish deviation from the peer group. Innovating is a career risk, as it requires justification for being different. Consequently, significant change rarely happens proactively; instead, it is forced upon these institutions by external market crises.

While intended to kill bad ideas, review committees are often populated by executives who remain in place permanently. They use the board to make numerous small bets, claiming victory for the few that succeed while blaming others for failures. This behavior prioritizes personal prestige over sound investment strategy.

Historically, investors sought active managers for outperformance (alpha). With the S&P 500 becoming a concentrated bet on a few tech stocks, leading Chief Investment Officers now justify using active management primarily as a way to achieve the broad-based diversification that the main index no longer provides.

Many assume the S&P 500 is a purely rules-based, passive index. In reality, a committee makes discretionary decisions on inclusions and exclusions. For example, MicroStrategy met the technical criteria for inclusion but was denied by the committee.