The Russian Government had huge motive for this attack, they were not at all happy about the United States' retaliation for SolarWinds/Election interference. Shutting down a major oil pipeline in the United States is not "medium-scale hooliganism."
Also shouting 'No Evidence' is a typical tactic the propagandists use to cast doubt and muddy the waters; surely the attackers would love to see what evidence is available, so they can adapt - that's why evidence is largely kept private.
Also shouting 'No Evidence' is a typical tactic the propagandists use to cast doubt and muddy the waters; surely the attackers would love to see what evidence is available, so they can adapt - that's why evidence is largely kept private.