You get used to the dock real quick.
Or just install Elementary Tweaks.
Or just install Elementary Tweaks.
It's one of those little functionality gaps that keeps people on closed/non-free systems. Is it at least on their roadmap? I'd gladly donate/pay just to get a Mac-like minimize/hide experience.
What's the connection between the dock and minimizing windows? I use a WM with a dock and that supports minimized windows just fine.
Personally I put it back to "Windows" layout (min/max/close on the right), even though I mostly use Super+H.