We are not avoiding difficulty. We are avoiding not knowing.
And that effect compounds for long-horizon, high-effort, uncertain tasks. A hard problem is a coin flip you have to hold for two years. Every instinct you have wants to resolve it, and the fastest way to resolve it is to go do something smaller that answers back today. Ship the integration. Redo the landing page. It all feels like work. None of it builds a barrier.
А на практике там такая бездна нюансов, что даже лезть и обсуждать это не хочется.