Looks like it is still happening.
I read about this problem yesterday evening, knowing that Drachenfels will only get Publish 91 early today. I wrote down all the lockdown numbers yesterday and no surprise, two houses went straight in to negative storage today. Comparing the numbers, I can confirm (in two cases) that the BB's obviously now count as 25 lockdowns (1 lockdown pre pub 91), even if they are buried in a secure container and not explicit locked down. Only the house counts them as 25, the container holding them still just sees them as 1 item. Btw... the # of posts on them, how weighty they ever might be, is irrelevant!