Brokered CDs are a good way to go and not mentioned in the article. They avoid the hassle of opening and managing multiple bank accounts with multiple banks. They're offered by many brokerages - I use them via Schwab.
Going forward, companies might have their cash balanced across 2-3 banks and 2 brokerage accounts. The company I work for announced that we had only 5% of our cash in SVB, which is fine since it will eventually be paid back but we have other cash to use in the meantime.