Many more such cases [0], but Excel and spreadsheets in general also save businesses $$$$$, which explains their pervasiveness. Calculations take a long time and are easier for a human to mess up, which is why the initial spreadsheets were so popular as to drive the adoption of the personal computer in general [1]. The gulf between Excel and Python is pretty obvious, but there recently there have been few with their sights set on it, as most programmers looking to improve programming do so from their own experienced vantage point.

[0] http://www.eusprig.org/horror-stories.htm

[1] https://www.wired.com/2014/10/a-spreadsheet-way-of-knowledge...