1. I would have probably disabled the jolting if I had noticed an option to do so. That said, it didn't bother me a huge amount. What I found more distracting was the zoom during the scene at the ruins with Sinclair later in the demo.
2. I'd follow you on either! The advantage of Tumblr would be the ability to have an archive of answers to asks. I'm more lurky than chatty on Discord but would still be happy to join one you set up.