Appreciate the update on Anet’s part, and certainly the work they’re putting in behind the scenes to fix the mess that this well-intended event has become.
Having just done a few instances of the invasion chain (leaving empty-handed), and reading map chat & forums, it feels like in their current broken state, the events have just been generating a tremendous amount of vitriol / frustration in the community. At this point, it may just be worth delaying them entirely until a fix is in place, in the interest of preventing more angry reactions / confusion, especially for newer players to the game that likely leave disappointed and discouraged from map chat after taking part in the event.
Anyway, look forward to a fix soon, and hopefully smoother, fun in-game events in the weeks to come!