There is never justification for abusive treatment of others at work, but there are business reasons for the prevalence of overnight and weekend work by junior bankers.
This post has an insider’s perspective explaining how the daily flow of the business in corporate finance and M&A requires a lot of the work done by junior bankers to be completed at night or on weekends: http://epicureandealmaker.blogspot.com/2014/01/a-fine-disreg...
This post has an insider’s perspective explaining how the daily flow of the business in corporate finance and M&A requires a lot of the work done by junior bankers to be completed at night or on weekends: http://epicureandealmaker.blogspot.com/2014/01/a-fine-disreg...