Well, the short reason is, because the blockchain itself logs the data as it happens, but the blockchain doesn't send emails/texts/messages on it's own- BUT! If the data exists, then it can be used to do whatever you like~ check out https://peakd.com/hive-169321/@deathwing/announcing-friday-discord-notification-bot
Here's an awesome tool that will do just that, straight to your discord account~ stay safe!