[rdpintqogeogsaa]

They are not. You still have strings attached: the requirement of attribution and the disclaimer. With 3-clause and 4-clause BSD, there are even more strings attached.

You can't just take MIT-licensed code. You have to take the code and the full copyright notice and license grant with disclaimer.

[throwaway75026]

Copyright law doesn't allow you to waive those rights without falling into Public Domain, which is considered grey area in some countries.