Yep, still up. The unit is separate and doesn't have the oven included, so it doesn't have space for knobs that would point out.

But generally, they don't interfere with anything, if only sometimes when I use a large skillet on front left burner with low settings, but I can just move the skillet a little and it works anyways, so, no big deal.

Here, this is how it looks IRL:

Yes, they are modern aluminum, so no dangers. They just don't work on induction.

Wouldn't oxygen in the air oxidize aluminum and create that layer regardless?