There is nothing a free webhost and wakaba/kareha cannot satisfy. I do not know why people are so adamant about only using wakaba/kareha and yet, NOT using it at all to make your own.

Fact of the matter is, as time goes by, they will scatter, there will be more an more. And as that happens, others will be abandoned.

To be honest, I don't know where this ideology about having a small centralized super imageboards being better than small scattered niche imageboards are better came from.