"Don't connect to the internet" also remains a solid piece of advice for securing your computing resources.

It really doesn't matter what companies are doing. There are some sensible basic practices that make things secure. If people choose not to do those things, for whatever reason, shit will happen.

What you might want to look into is risk management practices. That is where decisions of which risks, consequences, and mitigations best balance the gap between business needs vs. technical constraints.