The point is/was, that shoddy work is ubiquitous these days in the carpenter realm, mainly due to an unskilled and poorly supervised labor force. Depending upon locale, if the house you live in was built in the last 20 years, chances are the carpentry is "adequate" at best.
An example: A trim carpenter should be able to cope a joint ... I'll give you a dollar for every one you can find that can, or even knows what/why, if you'll give me a dime for those that can't/won't ... I'd get rich down here on the Third Coast.