I followed the stoush between DeLong and Graeber closely, and my strong impression is that Graeber was thin-skinned, vengeful, often inaccurate and unable to stand criticism. DeLong was a bit trolly, but nothing a competent, stable writer shouldn't have been able to handle. This impression is also borne out by my own reading of Graeber's work, and his reprehensible actions as a working academic:

https://www.chronicle.com/article/how-one-prominent-journal-...