Thanks for the lengthy explaination (and the 100% upvote). Like ive said, this is the first ever time I got downvoted in 5 plus years in Hive (after Steemit) and Ive posted something really 'less effort' than this but still got upvoted.

That is how I got surprised by this sudden downvote. But like Hivewatcher said, it was about the authentification I have forgotten to do in May last year hence the black list and then downvote. I got unbanned now and have do the fix required on my FB profile page and I think its done for now.