Adam Saxton explains when you might not want to use the Publish to Web option in Power BI:
Some don’t realize that Power BI Publish to Web is not secure. Adam shows you that this is the case. It’s a bit scary and there are other options to have secure embedding.
For demos and other resources which are supposed to be accessible to everybody, Publish to Web works great. But if you’re deploying company dashboards, not so much.