I mean…maybe? But it was the Million Dollar Sellers group who organized and participated in the ad boycott earlier this month (mentioned in OP article) that resulted in Amazon pushing the policy to August.
The MDS companies don’t usually get involved in things like this.
It takes vetting, 2 interviews, and $7500/yr to be a member. 
Not saying that you can’t earn “7 to 9 figures” and also be bad at business, but it’s not like an Amazon “guru” making a petition on Change-Org for their followers or a YouTube music video about Jeff Bezos or anything.