I wonder: how much of the work done by those who reached the national level, will be used in some way in real products ? How does this compare to real scientis

I wonder: how much of the work done by those who reached the national level, will be used in some way in real products ? How does this compare to real scientists/engineers success rate ? Just out of curiosity - and of course i know it's not the goal here - but education/inspiration is .