I think they mean in the BC years. Earth was not an Asgard protected planet at that time.
The humans revolted and buried the gate, and the Goa'uld never returned.
Never mind the fact that the buried gate was one that the Goa'uld brought to Earth in the first place (they either didn't know about the one in Antarctica or couldn't bother to retrieve it).
You can buy Ernest a coffee. That will certainly help keep the lights on. But you should probably take a look at the recent posts on his profile.
In addition to the personal issues, he hasn't been able to meet milestones. He gets sponsored by the same group as Lemmy's developers, and if he isn't reaching milestones, he isn't getting paid. And it sounds like his savings is running out.
While money certainly helps, it sounds like it's only the tip of the iceberg. Short of sponsoring a personal assistant and a project manager, I'm not really sure how we can help.
Like they said, TNG.