Why is separating class ind struct is bad?

[Dicebot via Digitalmars-d]

On Saturday, 26 March 2016 at 07:42:43 UTC, Jonathan M Davis 
wrote:
> So, while the separation between structs and classes definitely 
> good for D code in general

I disagree with this statement. The very presence of utils like 
`Rebindable` or `scoped` indicates this wasn't a very clean 
design choice, not in a way it was implemented at least.