You start as simple as you can, you add tech to the stack as needed after calculating the cost, benefit and risk. I don't know why these topics are so controve

You start as simple as you can, you add tech to the stack as needed after calculating the cost, benefit and risk. I don't know why these topics are so controversial. For the code almost everybody accepts that you should deliver value fast and add complexity only when needed, why would it be different for infrastructure?