Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
That would be roughly the same concept, yeah - someone with 10k rep surely understands how the site works, eg they know only to tidy things up and not to meddle with domain-specific moderation they don't understand.
The 3k limit is perhaps a little high, I wonder if perhaps moderation privileges should be SE wide at 3k with perhaps a 1k per-site minimum to ensure a reasonable amount of domain knowledge
