Hope you heal quickly Rob, but most importantly, completely. I have appreciated your posts on here for some time now.
I took a swing in an elm about 4 weeks ago. I was working my way out to the tip when I broke the <1.5" limb that my lanyard was attached to. Had a pretty good angle to my TIP, so it was a pretty far ride back to the trunk. Bruised some ribs and a shoulder, but thankfully, nothing major. From now on, I plan on using more tie in points, and distributing that weight--but most importantly, knowing when far enough is enough. Nothing wrong in my book with putting the ground guy on the roof when the dang things reach half way across the house. Less risk to the climber+ more risk to the groundie, but = net safer work site.
I was curious about a couple of the details of your fall: was your TIP limb leafed out? Also, was your TIP at the crotch of the parent limb, or along its length?
I hear what you are saying about only trusting a joint against the main stem from now on. That's really the only way to be 100% sure.
Thanks for the post, I know it will make me more cautious. And again, all the best.