Its not about rich or poor. Its about focus and need. Early in the product/company building stage you need to be doing lot of development (assuming you are a t

Its not about rich or poor. Its about focus and need. Early in the product/company building stage you need to be doing lot of development (assuming you are a tech co-founder), but as company grow, most likely your profile is going to grow as well and now you are not developing anymore (or at least not so often). And hence there is much lesser need to be on dev/hacker network. Now they have team of devs, and I am they are here, contributing.