The YouTubers can only sue for actual damages THEY realized.
As the class is for content creators that partnered with Honey, it can only be for the affiliate links.
Users will need to sue separately, either individually or as a different class. My money is on them having a forced arbitration clause, so direct lawsuit will most likely be out of the question.
Because this instance (and all other instances) physically reside in countries with content laws. If we don't follow those laws, we can be shut down, and the admin/owners that reside in those countries could face legal consequences.