Because they can as well as being fun and novel to try and beat the game in weird, unintuitive ways? There are challenge runs similar to this* in Minecraft that get super popular all the time.

Similar in a conceptual sense, I’ve no idea the relative difficulty of these two different games nor the differing challenges offered in playing these way

The angle makes it look really thin, but the object is actually a centimeter or so thick.

I am getting a warning saying there is an object with no extrusion on first layer though

Both? Both is good