After the idea, there is plenty of time to learn the technology
Anger is a good motivator.
The one size fits all approach of standardized testing is convenient but lazy.
The computer dictates how you do something, whereas with a pencil you're totally free.
If you invent something, you're doing a creative act. It's like writing a novel or composing music. You put your heart and soul into it, and money. It's years of your life, it's your house remortgaged, huge emotional investment and financial investment.
Far too few designers put any thought into usability, ending up with a great product that's completely inaccessible.