Of course, you also have to understand that upwards of 95% of people don't want to use desktop style UI's on their phones. ... Thus making a stylus nothing more than an inconvenience or waste of space.
whereas most capacitive touch screens have excellent sensitivity, high accuracy (not necessarily precision, which isn't needed in most modern smartphone OSs anyway),
Sure, you could argue that capacitive screens don't work without special gloves, but there isn't a huge number of people living locales with year-round glove-wearing temperatures, let alone people living in such areas that actually wear gloves every time they're outside.
Saying that modern phones are only for bloggers with ADHD and the uneducated is somewhere along the lines of saying that Dvorak is only for one handed people. (no offense to bloggers w/ADHD, the uneducated, or one handed people)