One of the issues that is brought up in the article is that they enforce their rules selectively. "All the rules they're citing should apply to Gmail and Outlo

One of the issues that is brought up in the article is that they enforce their rules selectively. "All the rules they're citing should apply to Gmail and Outlook as well," Hansson told Axios. "So it's laughable that they state that we must follow the rules that everyone follows when it's plain as day that not everyone follows the same rules."