This is a loss leader, it is free now but everyone will eventually gradually pay one way another and there is more than money involved, power and control cannot be measured in dollars but is worth far more, in government and global corporate business there is no such thing as free it ultimately results in slavery of some form.
Look at how they have forced this onto people and changed rules along the way. Saying they would not do things only to later do them.
10 has disabled and erased valid programs from folks’ computers pre-emptively.
They will wind up holding millions of peoples systems hostage to pay for future upgrades, or keep current stuff working. You cant turn off their updates and 10 will turn into ransomware.