>a child in a scrapyard shanty town can build a robot out of several different nation's parts
>Another child in Liyue picked up mechanical engineering from a cultivator bird in a couple months and could build a mechanical beetle
And you're telling me that the Kshahrewar from Sumeru are in a rut to the point that their group is in decline?
Why not just start a scholarship programme and recruit orphans from the big melting pot nation (that totally existed since day 1) that has advanced technology to breathe life into that Darshan?