Why Open Source and Give Software Away?

Why is open source done? The developer gives up all his code and potential for profit from the code. Article: https://christitus.com/why-open-source/ . ►► Digital Downloads ➜ https://www.cttstore.com ►► Patreon ➜ https://www.patreon.com/christitustech ►► Reddit ➜ https://www.reddit.com/r/ChrisTitusTech/ ►► Titus Tech Talk ➜ https://www.youtube.com/c/TitusTechTalk ►► Twitch ➜ https://www.twitch.tv/christitustech