There are historical examples of completely and actually socialist countries, so it’s not some impossible idealistic notion for me.
The transitory period of New Economic Policy lasted only a few years in USSR, and China under Mao was much closer to actual socialism than later under Deng Xiaoping.
And the trend of expanding government control over the economy only comes alive in the 2020’s, roughly since the COVID-19 outbreak (just a milestone, not saying they are related). Previously, the trend was strongly on privatization of industries, with the share of state-owned enterprises falling from 80% to 30% in the previous decade, and it’s too early to make any conclusions.
The aforementioned USSR, for example.