From whose point of view? A mythical “10x” working at a Californian small startup making IoT juice machines isn't necessarily doing anything more useful.
I think he's the guy from the blog and he's making a joke
Low tech tube amps are quite easy to build, although they cost a few hundred because the transformers, chassis and tubes can be pricey and the cabs and speakers aren't cheap. The results are great, though, and I'd say go for it if you are thinking about trying.
Get everything you need from Tubes and More dot com or eBay.
https://www.theguardian.com/securedrophttps://www.nytimes.com/tips
I'm curious about this, any references for me to read about?