Do what you want.
This topic really isn't about whether a mostly red meat diet is good for you or not.
It's about taurine maybe helping with longevity, etc.
The link below suggests a quite large dose (3,000 milligrams. !!!) that is considered safe, but nobody knows what the optimal dose would be to possibly get a longevity benefit, and of course that would vary based on the individual. So trying this is experimentation.
8 Foods High in Taurine and Why You Need It (webmd.com)
Beef. Beef is rich in nutrients and amino acids, including taurine. While a high intake of red meats is linked to greater rates of chronic diseases, most people can have two to three servings a week without much risk. With these servings, you’ll add about 40 milligrams of taurine to your meal.