I think this is the Big Thing when it comes to making things - underestimating the market. Mechanical keyboards is a multi-billion industry, and building them yourself is a percentage of that.

That said, I wouldn't be surprised if this product managed to end up in the supply chain for a lot of the keyboard manufacturers, which would be a huge boost to sales volumes.

Also, and this is the neat bit, 50k people actively looking for recommendations on online communities

If you like building keyboards, you’ll end up using a couple of these.

I have 6!