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That pipeline will be profitable, but I don't see it as a strategic factor (except for Ukraine who can't exert pressure on Russia by withholding deliveries to Western Europe).
On the other hand, building such a "firewall" will also be useful if the US chooses to exert more pressure like that, for example over the EU defense fund not planning to prop up the US military-industrial complex.
The USA became a much less gentle bully on the world stage in the last couple years (predating Trump, so it's not just about him, although his policy making probably accelerates it as well as the international response)