This is not true: If you increase your target FPS to meet a monitor refresh rate, you must turn down your AA or other graphics settings to compensate when using

This is not true: If you increase your target FPS to meet a monitor refresh rate, you must turn down your AA or other graphics settings to compensate when using the same hardware. Going from a 60 Hz to 144 Hz monitor more than doubles the FPS required for Vsync, which requires double the hardware performance to take advantage of the high refresh rate.