I think the design of the website is purely up to the owner. He will, and should, do what he wants with his website. If it's not liked or if people feel they can do better the solutions are obvious.
I hope you are not being serious. You do realise that the website is run as a business and draws income. And like all business it needs to retain and grow its customer base. The customer in this case are the folks who create threads, post and do views. CRC, Wiggle etc spend a lot on navigation UI design to grow their businesses . Intuitive navigation is a must when the World is content rich.
The business model is similar to free newspapers where readership drives advertising revenue
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