I meant their followers..
No, i mean how would you get them an account.
I can guarantee you that no one would wait 2 weeks for a free one, they literally cant do anything with, nor would they pay 2 dollars to get one with 15 SP.
If its true that Dlive got 100k new users the day after the pewdiepie announcement, had that been Steem/Dtube in that situation, i dont think Steem (or any related App) would have gotten 1/50th of that number if Pewdiepie picked STEEM.

I dont think he would even go for STEEM:

Are you telling me theres a paywall for commenting on your platform. Fuck off to Finland!

There is a solution to this, a simple one, but unfortunately ive never heard it discussed.