Earlier quoted context omitted.
Country-owned means of production have usually not fared well vs competitive forces in the past. And it could be considered as unfair competition: a state-owned manufacturer could basically have a blank check from the government for any kind of investment and would not have to worry at all about profitability. It sounds very nice as a thought exercise, but economical incentives are very tightly linked with productivi…
Thinking of it as “unfair competition” implies that companies have some sort of entitlement to a market. They don’t. If my town wants to have its own fire department, it’s not “unfair” to privately owned fire departments anymore than working on my own car is “unfair” to professional mechanics.
Now if you wanted to setup a nationalized producer, put a "chinese wall" between it and the State and force it to compete without subsidies or special (favourable) regulations, sure, go for it. But then what's the advantage of it being nationalized to begin with? Anybody could start a non-profit corporation and do the same thing.