They complain about not getting support, but don't support anyone themselves. You will also find that the people who consistently get support, are often those who do support others and projects in the ecosystem. This is not a bright line however, there is plenty of blur in play.
In this aspect, what goes around comes around, such people do not care about others in our world today but only themselves they care for and they don't bother rendering that desired assist to others.
Yet, the want more from the community.