Bidon admitted the US was behind it. So, if the Ukraine carried out the bombing of the pipeline, at the very least, the US provided the means to do so.
The fact that this is being said is deflection from Washington of the US role in acts like the Kremlin drone attack, Nord Sea pipeline explosions, incursions in Russia from northeastern Ukraine etc. etc.
The UK also bears big responsibilities with provision of those long range missiles and the depleted uranium ammunition to Ukraine not to mention its massive propaganda effort on behalf of Ukraine with the ultimate purpose being regime change in Russia IMHO.