Yes, super basic, but so is most features of Apple software. Simple, basic and without customization, just like how many Apple users like their software.
If you don't use them, that's fine, but they do exist and they are well-used.
If Mac OS wasn't famous for catering to professionals for a full decade, there would not be any Apple Computers inc. Of course the point still stands that Apple is famous nowadays for its phones, but macOS is still seen by many as the golden standard in window management. That it achieves its reputation without window snapping is a detail.
I have an ultrawide external display, and keyboard shortcuts to quickly tile two or three windows at once is where it's at, though it also supports dragging the window to an edge for various snap effects.