Read the article. There's an explicit white-list for being exempt from this new restriction and only "trusted installers" will be on it. Clearly the Play Store

Read the article. There's an explicit white-list for being exempt from this new restriction and only "trusted installers" will be on it. Clearly the Play Store will be exempt, but we have no idea what will be put on the white list according to what criteria. As pointed out in the article's conclusion.