Oculus and Vive work better for drawing a bow because they use outside-in tracking, where the sensors can see the hand controllers. WMR uses cameras on the headset for inside-out, so if the controllers go out of wide view of the headset cameras then the software has to guess based on accelerometers etc. Drawing a bow to your cheek just makes it out of the headset view, so can be a bit hairy sometimes. It’s pros and cons, as WMR doesn’t require any wires or setting up external sensors, and works great for desktop/sit games (plus is easier to move rooms if you want stand-up, walk-around stuff).
I’ll try this game tonight, as some compensate for positioning a bit, even if it is a bit less realistic.