[ketzo]

Well, now they've got a well-written explanation they can link to any time someone asks "so.. how is this free?"

Plus, this is a great blog post on its own merits. Someone like me (who has never used Tailscale) might find this interesting just as an explanation of SaaS economics. That might lead to me actually using Tailscale, or applying for a job there, or whatever.

Even if 1% of users are satisfied by this post... that's a lot of people!

And if it gains them even one enterprise client, I'm sure that's a massive ROI.