I agree but there is a thin line. I've seen a lot of really good QA testers slowly start patching issues on their own and grow into proper developers. I think t

I agree but there is a thin line. I've seen a lot of really good QA testers slowly start patching issues on their own and grow into proper developers. I think there is a very small window where a QA tester can be the best QA tester he/she can without getting into the developer territory especially if it involves reviewing code.