Huh, I've never even heard of that way of doing a sill plate over a foundation. Just based on a quick Google search it looks like it's an Alberta thing; I guess it's dry enough there that all of that untreated lumber right on the foundation is less of an issue than in most other places. Most other places you have pressure treated sills that sit over gaskets on the top of the foundation and are are secured with anchor bolts embedded into the concrete.
Anyway, if that is a ladder type structure that's supposed to fit tightly to the top of the foundation then yeah, that does look really sloppy and I'd be a little concerned about it. But like I said, I'd never even heard of that way of doing it, so I'm probably not the best judge.
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