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by vegetablepotpie 1639 days ago
Apparently it comes from commercial codes from the ‘50s, which says that important text must be conspicuous [1]

Conspicuous could mean all caps, contrasting text, or different colors. My guess is that CAPITALIZATION was used because most typewriters at the time could do caps, whereas doing different font sizes, colors, bold would have required a special expensive machine. When technology evolved, lawyers being process oriented creatures, stuck with all caps because it was the way things were always done, and therefore safe to do.

[1] https://www.termsfeed.com/blog/all-caps-legal-agreements/