This has been a great thread with lots of shared wisdom.
Back in the 1970's when I rode my R75/5 daily, I used Capital Cycle for parts. Each piece of packaging I received from that business contained the words "Ride like you are invisible." I have practiced that by staying out of blind spots. Ensuring I can see the driver in their mirrors and they me. Riding with my high beams on. Wearing bright colors. I installed a multiplexer that illuminated my turn signals as running lights. I practice ATGATT with high quality gear, Aerostitch, Shoei, First Gear, etc. (Probably saved me from more serious injury in this accident.) I have also taken Rider Safety Training as a refresher.
But now motorcyclists have a new threat. Drivers distracted with their cell phones relying on lane departure warning, dynamic cruise control, and other autonomous tech. Instead of getting safer, it seems to have made drivers more lazy!
Since that accident, I have purchased a Helite air bag vest in HiViz and a Brake Free light for my helmet. Maybe that will keep me safe awhile longer.