The post you have commented on is a link to a blog post that answers the question.

And it all might get wiped clean in a few days regardless:

https://mastodon.social/@destiny2team/111071448613921385

More than happy to watch other people go to town on Twitch tho 💥🤣💥

They can absolutely track weapon instances through activities, so the question is more Is it worth it to individually reset affected activities and handle the side effects (e.g. you do a clan raid with a sparkle-pony weapon but your clanmate has all normal weapons, what happens to her triumph when you lose yours, etc.) or should we just blanket rollback and call it a day. Maybe they’ve already got processes in place to make the first thing easy, maybe they think it’s worth it to do the first thing regardless, maybe they’re happy to let everything stand as-is, I don’t know, but I’m probably not gonna play much this weekend heh.

They don’t have a plan yet, they’re just letting us play:

https://mastodon.social/@destiny2team/111071448613921385

I don’t know how they get around a full reset. A wild Crucible weekend is one thing, but people are clearing end-game challenges and triumphs with this. They’d have to reset weapons, reset triumphs, reset titles, reset gildings, reset quest progress, reset inventories, reset collections, etc etc etc

Or they just reset weapons and let everything else stand, in which case CAN YOU IMAGINE THE SALT

I was actually surprised reading the update at all the things that cost shards, because I’ve had so many for so long they just don’t even register heh

(There’s a mirror: https://mastodon.social/@destiny2team/111065990311602944)

Jeez I’d be impatient but the music is so damn great I’m just sitting here LISTENING

what do you mean

vault cleaner, five auto-rifles kept including one sunset and one white, nothing trashed

I had a nice daliance in Palia and now I’m feverishly prepping for the next season of Destiny 2. I have until Tuesday to get my vault under control.

huge agree

It’s a tool to help you triage, organize, and selectively trash all the crap you’ve accumulated in your vault this season, so you can start the next season on Tuesday without panicking every time you get a new drop.