The expansion of Berkshire Hathaway's market capitalization, if it indicates a scale change, does not automatically mean a reduction in its informational advantages or capital allocation flexibility.
If a company of this size maintains a 19.9% annual compounded return, the incentive is clear: it has found ways to continue generating value, often leveraging its strategic liquidity reserves.
For example, Berkshire's ability to deploy massive capital during the 2008 financial crisis demonstrated a flexibility that other giants lacked, challenging the idea of an inevitable constraint.