The experience of Mick Jagger cemented in everyone's mind that the new arrivals were a glitch in the Transfer process, which gave everyone a solid guideline on how to treat them when they were first encountered.
Despite their historical presence in this world, they were still transfers, and the world has been accommodating and assisting the confused transfers for two centuries.
Word spread through the Darklight Host and their allies in a matter of minutes, and a new greeting ritual for the Lost, as most of the Guild decided to call them, thanks to their habit of arriving in the middle of nowhere, was determined.
Hats of each armour type were chosen and would be presented to the Lost as a gift once they had accepted that they were no longer in the time and situation they recalled, and the Payson who met them determined that they weren't going to keep attacking strangers.