Yes, it is likely there are hundreds of thousands of accounts, not just a few dozen. Over time, we'll see. Twitter and all the rest have also come out with "it was just a few accounts, see, we've even gone and deleted them". But it's not that few.
Edit: Also, those few accounts pack a punch.
> 1.08 million users followed at least one of the Facebook Pages, and 493,000 users followed at least one of the Instagram accounts. The accounts had spent a combined $167,000 on ads since the start of 2015
That's a lot of influence and a fair bit of money spent on so few accounts. And across the whole Internet Research Agency as discussed by Facebook,
> 126 million people had seen the propaganda group’s Facebook posts and another 20 million had seen its Instagram posts.
Wow - that is a lot of people!
Edit: Also, those few accounts pack a punch.
> 1.08 million users followed at least one of the Facebook Pages, and 493,000 users followed at least one of the Instagram accounts. The accounts had spent a combined $167,000 on ads since the start of 2015
That's a lot of influence and a fair bit of money spent on so few accounts. And across the whole Internet Research Agency as discussed by Facebook,
> 126 million people had seen the propaganda group’s Facebook posts and another 20 million had seen its Instagram posts.
Wow - that is a lot of people!