That's just a feed for his newsletter, Money Stuff. Here's[0] a more complete feed that also includes his standalone articles for Bloomberg View (like the current Dole article).
https://www.bloomberg.com/view/rss/contributors/matt-levine....
https://www.bloomberg.com/view/rss/contributors/matt-levine....
https://www.bloomberg.com/view/rss/topics/money-stuff.rss