I noticed your browser has a number of extensions. Have you, by any chances recently downloaded any crypto-related or some shady ones?
These kind of things usually hijack your copy and paste contents.
Its really possible that its what happen to him.
That answered in binance is normal thing they are not the one who's responsible for the lost amount . You should always double check the address before sending money.
You can easily notice the difference between that address if you give at least second's to check it.
19rRmQXDKxu8bQki2tJqdPJ2H1SfoYunHC
13PcbKjLBjVUYcSevYELQDc1pLDm6Bb9Di