I am aware of that community called project.hope. Perhaps you did not read the article, this data is taken from top 12 trending communities. At the time of writing this article project.hope was featuring in the top 12.

Furthermore, it is not about where "everyone is rewarded or not", rather more about maximum"per capita reward". GEMS is very rare community which tops both in terms of "per capita reward" as well as "number of active posters". It is also one which accepts English as well as other languages.