I happen to know several instances of Google, Amazon, Facebook, and even Apple not doing this. But I guess "established large tech companies" is a big list and

I happen to know several instances of Google, Amazon, Facebook, and even Apple not doing this. But I guess "established large tech companies" is a big list and GAFA is only 4 companies. I realize that these instances are not 100% of all the work those companies do. Would be nice to read more articles from them on their failed tests and what led to their current designs.