ISPs = Not many people have a choice. My Parents can get Verizon DSL or Comcast Cable. Not really a "competitive choice".
Politicians = It takes time. Once they are elected terms last a long time and then people often have to choose a "new evil"... They can't just say welp, I don't support you anymore that'll solve the problem.
Politicians = It takes time. Once they are elected terms last a long time and then people often have to choose a "new evil"... They can't just say welp, I don't support you anymore that'll solve the problem.