Pretty much all modern brushless power tools, while mechanically simpler than their brushed cousins, require a full motor and control module replacement when something as simple as the switch fails.

Don't get me wrong, I do believe that electric propulsion is the future for efficient transport and that gas isn't a long-term solution going forward. It just seems to me the marketing and hype have gotten ahead of the current offerings, and I worry the 'scrap it and get a new one' approach employed often by tech companies will end up being applied to cars as well.

There is no extra capacity producing spare parts to sit on shelves.