I disagree a bit here. In rotation games decision-making is straightforward on 95% shots and most of the time you only need to adjust your position play plan a bit according to the cueball. In 8-ball there are more shot selection choices, more replanning the patterns and risk-evaluation. Even on an open table players tend to eliminate risks by re-evaluating their original patterns, you often see even top players going for a certain pattern and then changing their minds because the cueball fell 4” off the intended position to enable highest runout percentage. Perpetual re-evaluation is heavy on shot clock.