Indeed, what a dick and quintessential BOFH. How boring do you have to be to have run an ISP, have a user contact you 25 years later, and reply with that? And

Indeed, what a dick and quintessential BOFH. How boring do you have to be to have run an ISP, have a user contact you 25 years later, and reply with that? And specifically, why do a job that you apparently cared about that little? Surprised he didn't take the email as an opportunity to chastise the author about misuse of the email system for frivolous contact.