We must define quality as conformance to specifications if we are to manage it.
Eliminating what is not wanted or needed is profitable in itself.
Quality is free. It's not a gift, but it's free. The 'unquality' things are what cost money.
A rule to live by: I won't use anything I can't explain in five minutes.
When in doubt, delete it.
Selecting the right person for the right job is the largest part of coaching.