Allow more flexibility for sensor placement during setup
The oculus setup issues warnings when you place your sensors in something other than what's suggested in the setup process. Tracking problems can arise and cause issues when people don't realize that these warnings can be ignored and sensors can be placed in more ideal locations like up high and in the corners of their rooms.
I've seen many people run into these issues especially when configuring for roomscale tracking. It would be nice if the setup offered more than one suggestion or made it clearer that the suggested sensor placement isn't necessary. Here's just one example of a user that fixed his tracking issues after ignoring the setup process: https://www.reddit.com/r/oculus/comments/7pftbn/thinking_about_a_4th_sensor_purely_for_touch/

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Stefan commented
With the standard placement of the third sensor in one of the rear corners I always had occlusion problems in the corner without a sensor. I found putting the third sensor in the center improves the tracking - but the setup always wants me to move the sensor into the corner again. It's odd that I have to ignore the warning for best results...
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Kyle Scott Kennedy commented
Agreed. The blog posts about room-scale sensor placement are helpful - but some of the recommendations should be baked into the application itself. One can assume that the recommendations made within Oculus' sensor setup can be dynamic based on the number of sensors detected. If two sensors are in use - and are seen within the margins considered 'opposing' - you can tailor the warning regarding "room scale" to effectively tell the user that this should configuration may work, but should they experience occlusion - try resetting the orientation of their play space, moving the sensors to face the play area - etc etc etc.
Additionally - I recommend the final component of the sensor configuration - where you put on the HMD and confirm the center of your play space - should not only show the sensors in VR space - but draw their cone of vision and show where they converge.
This would go a great ways to help users fine tune the angle at which their two or three sensors are positioned - as to better cover their play space.