That's why Apple is making $$$ these days. Because they're removing 60 percent of the features and making the remaining 40 percent configuration free and so polished they make your eyes hurt.
No. It's because they know people are woefully uneducated, such as your wife, and they tap into that latent stupidity for an exploit sale. Go Apple! Perhaps you should look at a basic computing course, rather than an accessory that she can show off at her next book club meeting. "Look Molly! It doesn't have any of those yucky files that my old notebook had!" Seriously, this is the problem with apple users - most of the time, they really don't need what they're buying, or know how it works.
Every nonzero finite dimensional inner product space has an orthonormal basis. It makes sense, when you don't think about it.