Should Class Helpers be used in developing new code?

Question

Delphi 8 introduced Class Helpers for the purposes of mapping the VCL/RTL to the .NET object hierarchy. They allow injecting methods into an existing class without overriding t

Answer 1

Sorry, can't help but be Captain Obvious for a moment: If the internal Delphi people themselves state "they should not be viewed as a design tool to be used when developing new code" then by definition they shouldn't be used. They are there for extending the VCL for their own purposes only. Who else is going to give you a better reason than the people that wrote it?