Partial SRDF/Metro 3-site with SRM (SRA)

I recently ran across a customer configuration I had not seen before with 3-site SRDF/Metro (ASYNC leg with failovertoasync site set in Global XML), and it gave me some concern. Let me talk about the setup and then cover the concerning aspects. I will say from the outset, I actually didn't think this setup was...

NVMe/TCP and SRDF (with VMware)

I'm not sure this topic requires a full post, but if you don't work with NVMeoF technology much, you may assume that it is just a different way to connect to your storage and everything else functions pretty much the same as it does with FC/iSCSI connectivity. Spoiler - it doesn't. Here I am interested...