[PeterZaitsev]

Not including original license may well be oversight, It is very unlikely Microsoft would intentionally to do something like this, which costs them really nothing, but not doing it can post a lot in the future in the legal costs.

For the rest - if you chose MIT license for your work you should expect it can be used by someone to create software based on it, including commercially licenses

I would treat anything you're releasing as MIT as the gift to the world. This is how Open Source suppose to work - people building on each other work, often without properly thanking authors and maintainers.

If you want to reserve some rights - chose who can use your software and for what purpose, ie ensure "Microsofts" of this world can't use your code in a way you do not approve, you should not release it as Open Source.