I agree, I find there can be quite a lot of groupthink on SO in that kind of way. For example, the top answer to most questions about any kind of optimisation e

I agree, I find there can be quite a lot of groupthink on SO in that kind of way. For example, the top answer to most questions about any kind of optimisation ends up being some patronising thing about "you should profile and only optimise once you know it's a problem". Well, I wouldn't be asking for advice on a web forum unless I knew it was a problem - just answer the question, please!