Earlier quoted context omitted.
He claims to have had five shots so I guess at least for him that is warranted: https://news.ycombinator.com/item?id=28307908 That said, it's a pretty dumb comment.
Is it really that strange? His reported death fits the current concern... https://www.cdc.gov/coronavirus/2019-ncov/vaccines/safety/my...
https://www.cdc.gov/coronavirus/2019-ncov/vaccines/facts.htm...
So yes, that's really strange. Correlation != causation.