This reminds me of people calling out DeviantArt several years ago in Who's Hiring posts, and their hiring practices.
Which culminated in this blog post: https://news.ycombinator.com/item?id=3061860
Which culminated in this blog post: https://news.ycombinator.com/item?id=3061860
Call me weird, but I prefer the assignments than the mindless discussions about balancing trees and Big-Oh notation.
A well designed take home assignment, meanwhile can be a good filter, telling you immediately if the candidate knows the basics and has the added benefit of showing you strengths and weaknesses in their practice.