The Noma fermentation lab in Copenhagen has been experimenting with garum for the past few years. There is a detailed chapter in Noma Ferments if you are interested in learning about the process.
This is exactly the attitude the above poster is complaining against. Breast feeding is probably better than formula in a few small ways, but treating formula use as “neglect” creates a harmful burden on new - and already stressed - mothers.
If breast feeding is difficult, feed your child formula. They will turn out just fine.