They're cheap. They're really, really, really cheap. I once tried to design out a quad 741 a colleague had put in, because I didn't like seeing a 741-type in a

They're cheap. They're really, really, really cheap. I once tried to design out a quad 741 a colleague had put in, because I didn't like seeing a 741-type in a modern design. I ended up with the exact same ultimate performance and a higher cost and supply chain risk. I don't laugh at 741s anymore. (At least, not until I've looked at the rest of the schematic.)