Twitter Staff Wipeout Under Musk Spurs Fear Site Will Decay (1)

Twitter Inc.’s mass exodus of employees leaves the platform vulnerable to a broad range of malfunctions. The social network will succumb to a major glitch at some point, technologists predict. It’s just a matter of when.

The social network’s staff has shrunk to a fraction of its size since Elon Musk took over at the end of October, through layoffs and resignations. Musk this week asked employees to sign on to a more “hardcore” version of their jobs or leave; astonishing numbers opted out.

Multiple teams that were critical for keeping the service up and running are completely gone, ...