Why do programmers choose to write their own code instead of using code that is already available online?

Read also:

• What should I do to stop being angered easily?
• Which Korean female celebrities look the best in a bikini?
• Meghan Markle, Prince Harry mocked over ‘cringe’ delivery room dance video from Lilibet’s birth - New York Post
• Why do so many men on the internet try to compete with women, or try to "humble" and bash them? There's so many videos across my tiktok and YouTube of men claiming how they're wanting to get back at women and put them in thier place.
• Could Trump’s ‘big beautiful bill’ kill the OFR and accidentally sabotage SOFR? - Financial Times
• How can we worship Shri Krishna at home? Is it enough to install an idol, or are there other rituals that are mandatory?
• Does eating bread before bed make you fat? If so, why?
• What does it mean if I had a dream about my mom who passed 12 years ago waking up from her coma and asking for my dad? I have never had a dreams about her since she has been gone.
• Ice Age mastodon remains discovered in West Feliciana Parish creek by two LSU scientists - The Advocate
• Science-Backed Tips for Increasing Your Stamina at Any Age - Prevention
• My Tried and True Trick to Combine Multiple PDFs Free on Windows and Mac - CNET
• Wake Forest baseball coach apologizes for homophobic slur caught on camera - The Washington Post
• Robots run out of energy long before they run out of work to do − feeding them could change that - The Conversation
• How did you cope when someone you love, dealing with hyper-independence and trauma, felt they needed space to heal alone? Were you able to support them without overstepping, and did you eventually reconnect? How did that journey unfold?
• Walking This Many Steps Per Day Can Cut Your Risk Of Early Death - HuffPost