Hospitality is supposed to be about comfort, leisure and service, not guests using words like stranded or homeless. Yet those were the terms popping up in headlines this week as Sonder's collapse rippled through buildings around the world. The short-term rental operator, once a proptech darling and a $2 billion public company, announced it's preparing to file for Chapter 7 liquidation in the U.S., with parallel insolvency proceedings abroad. Operations ceased almost immediately.