> it's crud business apps and reporting.

And yet... as 'boring' as those things are, I constantly see basic errors crop up all the time because people aren't even moderately versed in the technologies.

For example, you don't need to "know every crevice of a technology", but if you're doing LOB reports for business systems, I would reasonably expect you to understand what indexes are, or what joins are and how to use them, in your SQL engine of choice,