The end user doesn’t care if their house is warmed by a gas furnace or an electric heat pump, so long as their house is warm and it’s affordable.
Those 57 companies are the ones that don’t want to change and they lobby, bribe, lie, cheat and steal to keep their hold on the market.
Those 57 companies are both the root cause of the problem and the easiest thing to change.
The reason their repair service is expensive and slow is because it is mobile.
We are used to bringing our cars to the repair shop when they need service.
With Tesla the repair shop comes to you and that is much more expensive and time consuming to do.