You assume it is a singular person. Could easily be one person writing the message. Another who demanded partial edits in a Jira ticket. But then the data type

You assume it is a singular person. Could easily be one person writing the message. Another who demanded partial edits in a Jira ticket. But then the data types didn't match up with what the writer requested and then the dev didn't want to deal with it and just shipped it. Or it could be that the message is made with a bunch of disjointed and constructed if statements and only the final output is piped to the customer. I have seen some very terrible log messages like that as nobody is looking at the entire message, just the little bit in the conditional they are editing at that point. As an anecdote, I once worked on code that generated these very detailed error messages about why something went wrong. I discovered most never made it to the customer as someone later down the line reassigned a variable rather than +=. Piles of support tickets could have been avoided.