What Happened to Open Source Software?

What happened from 2014, 2015 that changed why we're seeing so much news and visible activity around supply chain incidents? Something specific happened. You can publish a typo-squatted thing on pipeline now and somebody will notice and start tweeting about it 10 minutes later before nobody was really watching for these things. The open source adoption. It's always been there in the cloud native space. But I think in the last decade is when it did penetrate fully into these legacy corporate banking internal environments where it hadn't quite reached in the previous couple decades.