Because they don’t see what you see.
Both of them knew something that the rest medical community didn’t know. Both had an important discovery that would save many lives or make them substantially better. And they both were being shunned for their heresy.
The only difference between the two was that Semmelweiss couldn’t produce data to support his claims.
Even then, with all the research to support Marshall’s claim, it wasn’t accepted in the cannon right away.
Because facts don’t tell a story. They only amplify them.
Yes, you have to do the research, get it peered reviewed, produce the data, put it on a spreadsheet, present it in a PowerPoint presentation…
But ask yourself this: When was the last time you changed your mind after watching a PowerPoint presentation?
It doesn’t happen.
Proving something to be true and convincing others of it are two separate skills. The latter being the challenge of our day in the increasing reactionary, sorted world we are building.
We have plenty of data to support whatever claim we make, now it is about finding the truth that can help us build a better culture.
One that we can all be proud of.