30 people managing the hardware? Sure, if you get good deals on the hardware itself, the employees stay healthy, and you have everything so centralised you don't need multiple people on call.
Centralising things to that level and supporting the users of the entire government structure of a country the size of France -- one of the countries the sun _never_ sets on -- while it's transitioning from decades of Microsoft dependency to an open source ecosystem? Heh, no.
Hetzner exists.
The claim above of 30 is not particularly important, the point is to lean on the community. Millions a year would get you incredibly far. Many are already helping for free.
24/7 linux webservers existed already by the late nineties.