So your conclusion should be: peer-reviewing is working, but some people are not using it right. You then need to assess exactly what is this percentage of sti

So your conclusion should be: peer-reviewing is working, but some people are not using it right. You then need to assess exactly what is this percentage of still being published despite having things wrong in it. If this percentage is small, peer-reviewing is still more profitable then no peer-reviewing at all (in which 100% of the bad papers are published).