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Likely, the decision ultimately came down to connections, not technical "merit". Even if you have the same scale or are even literally the same company, copying the outcome is nonsensical because the decision making process doesn't make sense out of the context of trading favors.
There are a lot of infamous stories about this kind of thing (e.g., re-writing a working chat app on top of the wrong database so that it could no longer reliably send messages), but the thing I think is often missed is that "good" decisions are often made for similar reasons.
Like when there are two competing proposals, both eminently reasonable, and some VP has to decide which one to pick. They don't have the time to really evaluate the proposals (no one does), so they pick the person they trust. Why should anyone copy the outcome of this process?
Hypothetical example 
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