Pros are judged on forecasting market value, not on determining intrinsic value. Forced into short-term predictions by competition and clients. Dollar cost averaging is good client relations. Dollar cost averaging over past 69 years has underperformed lump sum investing. Large funds force diversification.
Professionals form a specialized group.
Specialized groups tend to attract a specific type of personality for their roles, and tend to behave in a self-reinforcing, immature way. Pressure to conform. Taxes on realized gains. How individuals can outperform the professionals. Use available information to outperform the professional analysts.