Agree with pretty much everything inside this. The big difference I note however is that my experiences with running searchcode.com suggest that for public sear

Agree with pretty much everything inside this. The big difference I note however is that my experiences with running searchcode.com suggest that for public search engines that closer to 60% of searches appear to be "How to use a function". By contrast 60% of API calls appear to be looking for AWS keys, passwords and exploits. This is probably totally different to search working over internal codebases however. I must confess... I was originally looking from a vanity point of view and have mixed feelings to see that searchcode was mentioned in the references but not linked.