Error with 91.3% = 8.7%
Error with 94.5% = 5.5%
Error reduction = 8.7% - 5.5% = 3.2%
So the improvement is 3.2% / 8.7% = 36.8% 1. The innovators will know a lot about the details, limitations and potential improvements concerning the thing they invented.
2. Having a big name in your research team will attract other people to work with you.
3. I assume the people who discovered something still have a higher chance to discover something big compared to "average" researchers.
4. That person will not be hired by your competition.