Patrick Pleul/Pool/AFP via Getty Images; Courtesy of Robert Cowherd
- Ex-Twitter manager Esther Crawford tweeted "cruelty is the worst" in an apparent dig at Elon Musk.
- Musk had accused a former director of using his disability as an "excuse" to do "no actual work."
- Crawford was reportedly laid off last month. She was seen as one of Musk's most loyal workers.
Esther Crawford, a Twitter manager who was widely seen as one of Elon Musk's most loyal employees before she was laid off last month, tweeted "cruelty is the worst" on Tuesday in what other users have seen as a possible dig at her former boss.