You seem to be doing everything right including software wise. I would try to see if the card is dead. If you can rule that out, then you can continue trouble shooting. I am just trying to rule out simple answers.
I have a 2014 MacBook Pro which I love more than any computer I've ever had. This is in my list of things to do. Before I was just going to install Linux on it but this seems like a better solution to keep all the apps I was using.
All these pro SpaceX news is coming out before the election and after everyone was making fun of Musk on stage.
The people posting these images are either astroturfers or fell victim to astroturfers.