All of the variants other than Peru came from regions that effectively had zero vaccination at the time.
“All of the variants other than Peru came from regions that effectively had zero vaccination at the time.”
...And Peru had used mostly the least effective (Chinese) vaccine.
Peru has been a leader in using Ivermectin for treatment, so maybe someone will start a similarly absurd rumor that Ivermectin use is breeding variants.
Variants just happen, rather randomly. The more cases you have, the greater the chance for mutations to occur.