Earlier quoted context omitted.
In personal and small projects, yes. But not necessarily for large, scaled, infrastructure.
not sure which distro is dominant on scaled projects but Ubuntu gets plenty of use on large projects too - from the article: "Global enterprises including AT&T, Bharti, Bouygues Telecom, British Telecom, China Telecom, China Unicom, Cogent Communications, Comcast, Deutsche Telekom, Korea Telecom, NEC, NTT, Numergy, Orange France, Time Warner Cable, Turk Telecom, Verizon and Yandex, as well as leading web scale servic…
It's hard to tell from these lists how seriously a lot of those companies are relying on Ubuntu. Obviously some are (HP for example). But I've seen my own employers listed in press releases where us implementors were wondering "do we really still use that stuff? Oh yeah I think there may be a box or two still running that from when we were testing the waters."