In fact, tons of europeans online love, love to highlight and amplify those exact issues, so I guess they are exploited by russian propaganda too? Or is it only europeans that get to use that as an excuse to deflect criticism and discussion about their internal issues?
Read the articles. These aren't Russian trolls. They are well described fundamental problems.
Probably because the US is a net exporter of energy and is not in danger of running out of fuel during the winter like most of Europe is.
BTW, phasing out nuclear power plants without a suitable replacement in the high demand segment is actually a problem, which is only elevated by the problems with natural gas imports.
So yes, the crisis is manufactured by Russia to produce a political leverage. And part of that strategy is of course spreading FUD through various media.