Recently there was long thread about the BCA. I can now post possible answers to some of the questions, such as "Why is the BCA still raising membership prices when there is a significant amount still left in its coffers?"
I've taken a few highliners caving and they though our resin bolts were sketchy because there were only two and they are only 16mm. The forces involved in a tensioned Highline are insane, the load angles are by the nature of the sport the exact opposite of what we aim for and they like to have completely redundant backups are lines do snap on occasion hence why their stuff may look overkill to us.