Now that I think about, why does Rika specialize in ground-types?

Most other type specialists have interests that correlate to the type they special in
>Shauntal is a ghost writer
>Nessa is a swimmer
>Olivia has a thing for diamonds
>Klara is a toxic bitch
>Flannery lives near a hot spa
>Larry is a normal hardworking guy
>Clay’s a miner
etc.

Is Rika also a miner or a construction or anything of the sort

She may not be the only offender I question, is supermodeling and streaming really that correlated with electricity? But let’s just focus on Rika mainly