This read like a long poorly written advertisement vs an unbiased review.
Sides? This isn't a matter of sides when it comes to rental houses and creatives. Both sides have to eat and neither should have to lose.
8500 is on par with top-tier director viewfinders and this offers a whole lot more.
So since buying a Canon Mark II in 2010 you haven't owned any other cameras?
Curious how this differs from the WD My Passport Wireless Pro other than the app functionality?
It's called context. Is 8K affordable for someone accustomed to shooting on an A7S? Nope. Is it affordable for professionals who spend 10's of thousands on gear? Yup.