After 2 INK-credible years of Splatoon 3, regular updates will come to a close. Don't worry! Splatoween, Frosty Fest, Spring Fest, and Summer Nights will continue with some returning themes!
Updates for weapon adjustments will be released as needed.
Big Run, Eggstra Work, and Monthly Challenges will continue for the time being.
Also they just released a video celebrating each splat-fest: https://www.youtube.com/watch?v=cd3qYJRnI7E
You're right, I hadn't actually answered your question - my bad. I don't expect them to continually update the game; only that they don't lock out customers from multiplayer. I believe any manufacturer of a given multiplayer game whose official servers are being closed, have a responsibility to release server software, and add a server browser to the game.
I can still play Counter-Strike online, and even Quake 1 and Doom. What gives?
Oh, did you think the headline meant they were shutting S3 down? Servers will remain up for the foreseeable future, and they'll even still run seasonal Splatfest and Big Run events. They're just done with content updates.
My mistake, I've made a mountain of a molehill.