As a end user, I find it quite restrictive. There might be some software I won't be able to fork/modify because they were MIT. I'm not the owner of the software anymore.
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons..."
The MIT license always allows you to fork/modify the project. You wouldn't be the copyright owner of the existing code in your fork, but you could be the owner of the project, and the copyright owner of any new code you add.
