1. You can't dualboot with only one license. Either Win 7, or that license Upgraded to Win 10.
One or the other, you can't do both.
2. You can turn most or all of that stuff off.
3. All that same functionality is being backported to Win 7 and 8.1.
4. Where did you read this, so that we may verify the tinfoil hat level of that site....