My arguments against:
1. Lightweight - yes, but no. Comparing overall weight to like VR headsets - yes, it is freakin light. The significant difference however is that weight of VR headset is way way better distributed and this s*t sits right on 2 small spots on your nose. It is simply painful after 40min to an hour of use
2. 1080p - movies only, edges of screen blurred, I really don't recommend it for any sort of work (the reason I bought these glasses in a first place). When you move your head text gets blurry and sometimes unreadable
3. There is no "one size for all" in this area. Wearing these glasses is inconvenient and painful to my ears as well. And read a lot of comments about that in the internet, so not alone here
4. There is no IPD regulation which to me causes further issues with observing image close to the edges
5. 699$ - I'm gonna start to laugh hard / cry - not worth it, 43inch 4K screen cost 200$, wow effect not worth the money, not worth for working.