Sure we do, as soon as anything degrades or completely stops working, whether a product or service, we ditch it and/or it is worked on until it's fixed.
Whereas with medicine, people will sit there and let the system slowly and agonisingly fail them over and over again, at tremendous personal expense, until they are literally dead.
Medical malpractice - that is, a medical professional getting their treatment provably wrong to the point it causes death instead of prevents it - has been a leading cause of death (in the top 5) for decades.
It's somewhat of an inversion of capitalism that such a dysfunction persists in just this one area.
Your analogy with cellphones doesn't relate this because cellphones work.
If instead, they also ranked top 5 out of all failed any-distance communications methods, alongside smoke-signals, pigeons, cans-on-a-string and megaphones, development would be focused on until they rank better.
When medical malpractice ranks in the bottom 5 causes of death, the positive mechanisms of capitalism will be functioning in this area.
