This is a good point, and it's also one of the reasons a lot of 'news sites', blogs and Youtube channels are getting a lot of criticism, because they don't seem

This is a good point, and it's also one of the reasons a lot of 'news sites', blogs and Youtube channels are getting a lot of criticism, because they don't seem to be interested in following FTC (or other country equivalent) rules for disclosure. Unfortunately, neither the FTC nor their equivalents elsewhere seem to be particularly good at enforcing these rules, so a lot of unscrupulous sites (and as in this case, many large ones) just ignore them altogether.