Honestly the bulk of EOS's traffic comes from gambling. I think that will change over time but that's why it sits so high because of so many gaming transactions so it makes sense.
Steem will have it's place and too I think with the year or so long bear many left which is likely why we are number 5. Still a great spot to be in though haha.
Yes I thought about all the gambling after I made the video. So many transactions happen quickly because of that.
And yes top 5 in activity is a great place to be.