@misterdelegation is an account owned by @steemit, in which they use them to delegate to DApps. If you include this account, the @steemit account has to be included too, which has over 44 million SP, over 2 times more than all these SP combined.
Also, rewards pool information is on https://steemd.com
I was planning on making a separate video about that one and why they decided to make this seperate 'misterdelegation' account but it would pretty much be the same video so I decided not to in the end. But yes you're right, I do wish I included Steemit in this video now