Thing is, it wasn't hindsight. The US had been warning Europe about the dangers of dependency on Russian energy since at least 2016 through 2-3 administrations (see my other comment for the citations).
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Yes and europe was warning the US not to engage with Iraq and now Iran in the way the US did.
Also we read the warning as "don't buy from them, rather buy from us".
And it was extensivly debated in general.
That would be a lot more compelling if we didn’t already know how that story ended. I also think framing this as US-EU competition rather than the EU running its economic engine on cheap Russian fuel is misleading.
The EU kept at it with plans to expand until the war started for the second time and “someone” took it upon themselves to violently sever that link.
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