> how hard starting/running a business is
That it is, but here Michael is explicit that most of the pain [0] was from doing hardware, software, and e-commerce all at once. Surely, there are other relatively easier businesses in tech?
[0] Reminds me of Avery Pennarun's A profitable, growing, useful, legal, well-loved... failure (2012), https://news.ycombinator.com/item?id=3754531