Centralization is bad. When people offer a convenient forum, the price is to bend the knee to their rules instead of one's own. There's also the funding question.
Yeah, the top (only) comment on the linked thread says it well:
> Even if information isn’t duplicated, this would centralize all information related to open source to this forum which would make it a single point of failure should it go down or disappear.
> Even if information isn’t duplicated, this would centralize all information related to open source to this forum which would make it a single point of failure should it go down or disappear.