16GB is not a design flaw... that's the design. A flaw would be if it somehow had 17GB or 0. If we're going to compare devices to cars, an SD card is surely a tow-behind trailer. Some people need them, some people don't. Does every car need it? Nope. Is it cool to have the option? Yep. The cloud in this analogy is a delivery service, bringing your stuff directly to your door. Except it's free.
It's absolutely disgusting to see every thread about storage turned into this insipid argument about SD cards. Do some research and understand why they're being removed, what the other options are and what the issues are with continued usage. This "plant the flag and fight to the death" mentality is completely inappropriate. I absolutely want options in Android, but that includes the option to get rid of features that are controversial and add new features, etc.
I absolutely must have a sound proof room in my house. I've never started flaming other homeowners because they do not have/need one, or started crying to the internet that all houses should be built with sound proof rooms just in case someone might need it. Some people need things that others don't and don't need things that others do. Not every device has to have every option under the sun, you use your dollars to vote for the one that best fits what you need.
For people saying, "once you buy it, you can't complain... "; of course you can. Using the device gives you a wider knowledge base and the limitations that it has become more or less relevant to you in that usage. Now, if you went into the deal saying, "I know I need 32GB + an SD card, but I'll get the 16GB version anyways because that's all they have; now it's not working out, so I'll complain", clearly you're a moron and need to be more proactive in your decision making procedures. But if you said, "I only used 10GB on my last device and so 16 is okay" then run out of space, now you know 16GB is not okay for your current usage pattern, but the assumption was that it would be. In this case you learned something, and now you can learn the other ways to manage your device (cloud, syncing, etc) or you can buy a different device.
Notice that in neither scenario did the person declare war on high or low storage devices, types of storage, the internet in general or companies that will never read a word of your railing against them. They pay attention to dollars.