In article ,
"Michael F. Stemper" writes:
The fact that the ones identified are close to us is just because
we can't adequately observe faint satellites of other galaxies,
right? This article doesn't actually imply that we occupy some special
spot where galactic formation first happened, does it?

Indeed. Presumably all galaxies similar to the Milky Way have their
own ancient satellites.

A more informative press release -- at least in my opinion -- is at
https://www.cfa.harvard.edu/news/2018-17

(I personally had no role in the research or any press release.)

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