The Court declined to grant the intellectually disabled status as a suspect or quasi-suspect class because they are a "large and diversified group" amply protected by state and federal legislatures. Therefore, any legislation that distinguishes between the intellectually disabled and others must be rationally related to a legitimate government interest in order to withstand equal protection review. This is also known as rational basis review and is the lowest level of review under the Equal Protection Clause of the Fourteenth Amendment.