wow that's wild. 3 years.
I guess once you open it there's really no need to shut it down.
my oldest lightning channel just closed. we had a good run nostr:npub1ngumlqmus6xkrmvvee4yc7swh9h4uk7vpq4ddt7a2jtvkc22y0asrse3pv
(i appreciate the massive new channel that you opened a while back.) 
Discussion
Yep! I have some other old ones too. As long as they're up and being used, it's liquidity well being utilized.