Yes, but they did at the start of the war and were quite dependent on it, especially in industry. They, and the rest of Europe have made huge efforts to transition away.

Their import dependence and others played a part in Putin’s calculus for war. Energy was specifically excluded from sanctions as to cut it off would have been disruptive.

https://tradingeconomics.com/germany/natural-gas-imports-from-russia#:~:text=Natural Gas Imports from Russia in Germany averaged 132491.07 Terajoule,Natural Gas Imports From Russia.

Lol, no. The invasion of ukraine in Russias fault. However, Germany placed itself in a state of high dependence on a state that used that dependence as a tool of control rather than trade. It was a grave error of judgement.