What did the discovery of Super-Earths, a common class absent in our Solar System, suggest about planetary architecture?

Answer

That the structure seen in our Solar System might be the exception, not the rule.

Finding a very common class of planets, Super-Earths, that has no local analog implied that the orderly structure of our own system might be unusual rather than the universal standard.

What did the discovery of Super-Earths, a common class absent in our Solar System, suggest about planetary architecture?
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