Pretty much. Using "old" tech (assuming its maintained) is not "being behind" or "having technical debt". If stuff works and there is no meaningful gains from s

Pretty much. Using "old" tech (assuming its maintained) is not "being behind" or "having technical debt". If stuff works and there is no meaningful gains from switching, you're doing engineering correctly. It might be seen boring. Brakes in my bike are boring. I like them that way