You forgot the "post Ned's stint as the Steem blockchain's expert visionary on guitar strumming, and the like" at the end of that. So now we have:

TronSteem-backed USDT Steem Dollars that are backed by the collective faith of Steem users in Steemit Inc.'s leadership, post Ned's stint as the Steem blockchain's expert visionary on guitar strumming, and the like.