The article blames both. I think the focus on DMCA makes sense from the point of view of preventing this from happening again. HackerRank likely will exercise m

The article blames both. I think the focus on DMCA makes sense from the point of view of preventing this from happening again. HackerRank likely will exercise more caution, given the PR and monetary cost of this episode, but the DMCA still exists and is prime for abuse by others.