If companies are willing to break privacy policies for AI training, why not use cloud data for AI training. Sure office all 365 data would be great for building

If companies are willing to break privacy policies for AI training, why not use cloud data for AI training. Sure office all 365 data would be great for building AI. Most encryption is either provider managed where they can easily look into data, or the customer also shares key with them(e.g. EC2 instance getting encrypted S3 data with key in EC2). I have never seen someone using AWS treating amazon as a threat.