They could provide a platform for crowd-sourcing the gathering of these metrics. Of course controlling for bias could be a huge problem - but then again, health

They could provide a platform for crowd-sourcing the gathering of these metrics. Of course controlling for bias could be a huge problem - but then again, healthcare providers could simply correct biased metrics if they so chose. The worst thing about hospitals is how they are incentivized to keep quiet about extremely important metrics such as sepsis/staph infection rates, effectiveness at treating certain conditions, etc.