What are the worst parts of D?

[Walter Bright via Digitalmars-d]

On 10/8/2014 4:17 AM, Don wrote:
> As I said in my Dconf 2013 talk -- I advocate a focus on Return On Investment.
> I'd love to see us chasing the easy wins.

I love the easy wins, too. It'd be great if you'd start a thread about "Top 10 
Easy Wins" from yours and Sociomantic's perspective.

Note that I've done some work on the deprecations you've mentioned before.