how many fat 70 year olds do you see? none. dude's gonna keel over in the next few years for sure. i don't care, the world he built was interesting and he (and D&D to be fair) kickstarted this whole "dark, adult fantasy/scifi CAN work on TV and pull in more numbers than a Kim Kardashian sex video" so I will never be mad at GoT or him for bringing us great shit like The Expanse, Lucifer, Good Omens, Witcher, Lord of the Rings, His Dark Materials, Ringworld, Kingkiller, Shadow and Bone, etc.
Also I'm glad he got to enjoy his success in his life, so many people who make genuinely new and interesting stuff end up dying before the world recognizes their stuff. I hope he secretly is doing tons of drugs and hookers, maybe he and Stan Lee would have raging parties and they'd murder all the hookers after to keep their secrets.
Every big streaming service is now chasing Game of Thrones audience numbers and it proved it can be successful, pre Game of Thrones execs would just dismiss us all as niche fans not worth pursuing (aka The SyFy network, Fox)