You say it's "absolutely not true" that it's "hard to understand", then go on to explain how you have to "invest upfront more time", and also that you have to l

You say it's "absolutely not true" that it's "hard to understand", then go on to explain how you have to "invest upfront more time", and also that you have to learn "the way things are supposed to be done". You are very clearly describing that people have to work more to understand it. The person you're replying to even tried! Denying the experience of other people does not make that go away. It just means that the problem you're pretending doesn't exist will never get fixed.