The good thing is, that you did this action.
The bad thing is it is too late.
I wrote an article about this type of spamming 5 months ago.
https://steemit.com/stats/@airmike/lifecycle-of-spam-on-steemit-quantitative-analysis
I think that most of the whales knew about this type of behaviour. Some of the whales were involved. Main reason why I left steemit is tolerating of parasitic behaviour.