At this point mal-investments and false market signals have been accumulating for many years. The effects can be seen not necessarily in a future "crash" but also in our current weak and declining levels of economic growth.
Socialism will always encounter two big problems when regimes attempt to implement it: 1) the impossibility of economic calculation without true market prices, and 2) the lack of an incentive to produce only what consumers actually want.
Tariffs inflict harm on real people, empowering bureaucracy and the state, while destroying the rights of real-world entrepreneurs and consumers. Yet, some people claiming to support free markets are perfectly fine with this.