You'll need to explain the reasoning behind why he doesn't want people to use using. I've not found a drawback and found it shortened my code. Only downside is

You'll need to explain the reasoning behind why he doesn't want people to use using. I've not found a drawback and found it shortened my code. Only downside is the extra indentation. The original article just pointed out a basic coding flaw of having new within a loop. The using wasn't the bad part.