Twitter is continuing to bleed engineers and other workers after its new owner Elon Musk gave them a choice: either pledge to “hardcore” work or resign with severance pay. Many workers signed off via internal messaging forums Thursday and on Twitter itself. It’s not clear how many of Twitter’s already-decimated staff took Musk up on his offer. But the newest round of departures means the platform is continuing to lose workers just at it’s gearing up for the World Cup. The tournament is one of the busiest events on Twitter, and can overwhelm its systems if things go haywire.