At least some of them believed that Butler was insufficiently capable of providing the standard of care they sought for Genie, and even those who thought Butler did a good job working with Genie criticized her for negatively affecting the case study.
Butler was insufficiently capable of providing the standard of care. This was what at least some of them believed. Those criticized her for negatively affecting the case study. This thought. Butler did a good job. This good job was working with Genie.