> However for a lot of old embedded controllers if it works don't break it. If you don't maintain it, you are allowing it to break through neglect. That's lik

> However for a lot of old embedded controllers if it works don't break it. If you don't maintain it, you are allowing it to break through neglect. That's like saying if the old oil works in an engine, you shouldn't bother changing it. It works great, right up until it doesn't, and then you have a bigger problem. Software development is an incurable disease. Once you start, you can't ever stop.