Why isn't operator overloading available for classes in Delphi?

Question

I\'ve always wondered about this for a bit, but why is operator overloading not available for classes in Delphi?

I remember reading an answer once while on the run,

Answer 1

You can have operator overloading for classes, but only for the NextGen compiler where classes use ARC.
See: http://blog.marcocantu.com/blog/class_operators_delphi.html

This was introduced in XE5, see: List of Delphi language features and version in which they were introduced/deprecated