https://apnews.com/article/b837ae25021807a3caef4aa3043a8013
The suggestion that the U.S. caused the damage was circulating on online forums popular with American conservatives and followers of QAnon
Sorry sweaty only conservatives and far-right groups would believe such a silly thing.
I've found that US and especially Ukraine propaganda is a lot more effective at making me yell "another cracker down, unlimited genocide on the first world" than Russian propaganda.