http://chambersdaily.com/bradleychambers/2013/4/26/dell-makes-stuff-up

And excellent find by Chambers Daily and Daring Fireball. And a third source who trashes Dell's statements. 

Trevor McKendrick proves it: if you pick the right niche even a simple app created by a one-man team can bring in some serious money from the Apple App Store.

Brent Weaver writes about talking to clients about the different backend technologies he could use to develop:

Inevitably I would get into some follow up conversations with the prospective customer about my platform of choice. Every time we would spend countless hours deep diving into the technology.

Eventually the customer would tell me that the other company bidding on the project is using a different technology, usually something similar to what I was pushing.

Then it would happen: the technology debate.

• Is WordPress better than Drupal?
• Is Opensource better than Software as a Service?
• Who has control over the site?
• How is it backed up?
• Where will it be hosted? etc etc etc​

Today's popular web frameworks - Drupal and Wordpress, to name two - are both flexible enough that in most situations the determining factor of which is used is simply developer preference, or the developer's environment. Neither of these things matter to clients - so why bother them with concerns about the underlying technology? Focusing on determining their needs while taking mental notes on the best approach from your side is the best method.