Anyone that thinks VR can't make use of mixed reality features to allow you to see the real world has made no effort to actually research into the technology, but somehow likes to claim themselves as an expert beyond experts.
Same for dizziness. In what way is this a permanent problem that will never be fixed? If you actually look up why it happens, then you'll notice it's down the headset optics, which can be tailored to have a physically correct set of photons if you have the right conditions. Will take years and years to get to that point, but it is attainable.