I wouldn't be too concerned about my research level of Tindermint. I reviewed it and fully understand it since I received complaints that I hadn't bothered.But as I suspected, it was a waste of time from my perspective. Tindermint has limitations and differences that don't make it a good fit for Hive. I'll post about it eventually, when I get past more pressing issues.
As to OBI's design, it's generally much more resilient to loss of BPs than Tindermint and can continue working down to a much lower number of reachable BPs.