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I see threads on here all the time about how interviews are broken and you shouldn't be expected to be quizzed on data structures if you're an experienced programmer

Anyone who thinks that an experienced programmer shouldn't know data structures just isn't programmer material: someone who truly appreciates this profession will have had formal education in algorithms and data structures, and if they do not, they will make sure they learn it on their own. Otherwise - this is how we get bloated crapware.

I just cannot up-vote your comment enough, if I could, I would up-vote it with my both hands and feet!

I always think back to The Art of UNIX programming:

Rule of Representation: Fold knowledge into data, so program logic can be stupid and robust.

http://catb.org/~esr/writings/taoup/html/ch01s06.html#id2878...