It's a deliberate gatekeeping mechanism. 4chan isn't a monolith, either. Some communities are tucked well enough away that it isn't _as_ needed. Furthermore, it isn't hate of "others" so much as it's a hate of all.
You will never find a more self-loathing bunch, in fact! However, there are several recurring threads, some older than Reddit, dedicated to self improvement and escaping neetdom. There are also threads openly embracing it.
