Make processors which are 10% faster than competition by dubious security practices. After some time slow the processors down by 20% because various corner cutt

Make processors which are 10% faster than competition by dubious security practices. After some time slow the processors down by 20% because various corner cutting practices are detected. First you kill AMD with "efficiency". Then you "encourage" users to upgrade, since secutity updates make this efficiency disappear. How is this even legal.