I'm pretty sure this entire thread is filled with "nobody likes to maintain the pile of ifs", since I doubt very seriously it's the age that jams people up, it'

I'm pretty sure this entire thread is filled with "nobody likes to maintain the pile of ifs", since I doubt very seriously it's the age that jams people up, it's finding the correct place to make a surgical change that only produces the net-new behavior without blowing up the world. I guess the rest of that is that often the older a codebase is, the more revenue stream in impacts if something goes wrong