Who wouldn't want them back? It was one of the best event of Destiny 1; it was fun and loved by everyone! Maybe as a rolling event like Iron Banner, with Amanda Holliday as reference Vendor and the possibility to play private games with friends and clan mates (as for Crusible and Gambit).
If Bungie did, it would make many players happy, including me.
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Me and most people as they want actual pve content.