Google provided a useful lookup service at the expense of brainwashing society with consumerist propaganda and the complete destruction of personal privacy and the normalization of the surveillance state. It wasn't worth it.

Amazon inspired us to think we needed more cheap crap in order to inspire us to buy cheap crap that we didn't need. We aren't any happier than we were before we had the ability to buy cheap crap on a whim, but we sure do have a lot more cheap crap than before. That wasn't worth it.

Facebook is essentially as good at helping people keep in touch as any instant messenger that preceded it. But unlike those instant messengers, it's supported by invasive targeted ads, and consult the first paragraph for why this is a negative.

This has all been a waste. Society isn't any better as a result of these companies existing.