This is a nice tool to see what's actually changed, useful!
Also, I don't understand how it's not a legal requirement to show an easy to understans view of the changes made when a company changes the terms of your agreement with them.
Almost every company sends a "we've updated the terms, yay!" with little to no details on what's actually been changed. A few provide a high-level overview of the supposed purpose of the changes, which I suppose is a start.