I don't think that comparison is fair in anyway.
Bitcoin is basically aimed at executing transactions and hardly will compete with social media in terms of activities.
That cryptocurrency is been battled hits more on bitcoin; with the filters of the effects rubbing off on altcoins.

Whether there is a transaction or not, we must go through one or more articles, post our own articles; either through content creation for bounties or for other purposes.

You get paid for taking part in hobbies that you love; resulting to an expanded community.
I doubt if the holders of bitcoin compares to the massive size that holds steem dollars.

Let's not be too critical of Bitcoin; if the government wants to kill it off why should the community go the same direction?