There is an element of truth in the above picture. There are also some misleading fibs.
PC have flexibility and when they are tuned, they are incredible. However, that tuning takes time. Its not just setup and adjustments because there is learning curve.
Apple are simple. Essentially, with an Apple, you are paying for someone else to sit down in a lab and tweak components to last for a few years. If you want something done right - you must do it yourself! If you want the latest kit - you must do it yourself! However, for many people, delegating the responsibility is simply a better use of their time.