With different companies there are different agreements. For example, when a company stores something in a private S3 bucket that company has an agreement betwe

With different companies there are different agreements. For example, when a company stores something in a private S3 bucket that company has an agreement between it and AWS on who has access to that bucket and for what reasons. The agreements allow companies to know and document risk, SLA, and many other things. Many companies have not turned their email over to Google. Many companies are in competition or at least coopertition with Google. Many are trying to get a competitive advantage these days. All of this was a big enough deal for Mozilla that they got a special contract with Google before using Google Analytics that says Google cannot use the data collected on Mozilla sites for other purposes. Some won't worry or care about the implications of this. There are a bunch who will. It is not an all or nothing thing. It depends on your business if you are building stuff for a business.