Restricting student speech based on viewpoints can be unconstitutional if it distorts the marketplace of ideas in schools. The debate revolves around whether schools can limit anti-gay speech while allowing pro-gay speech. The article suggests that schools should not restrict speech based on disagreement with the message, but rather focus on preventing harm like disruptions or violations of student rights. The key is to distinguish between restrictions based on ideological reasons and those based on legitimate purposes like maintaining a safe and respectful environment for all students.