Many brokerages also offer access to a public market of bank CD offerings. So, you can go that route and get FDIC insurance if you want while avoiding the pitfalls of dealing directly with a single bank outlined in the article.

I prefer Treasuries in my taxable accounts as there is a break on State taxes for the interest generated. I hold CDs in my non-taxable retirement accounts as they tend to pay a few tenths of a percent higher.