In the course of a week, I get to see a lot of genealogy data. Some of what I see is abysmal. Many otherwise highly-skilled genealogists do not seem to know that their keyboards have a SHIFT key! Instead, they simply press their CAPS LOCK key and then ignore upper and lower case after that.
Of course, the use of UPPER CASE text has a long history in the computer business. The mainframes of the 1960s and 70s only used upper case text. Data typically was entered on 80-column punch cards. The IBM 026 keypunch machine, the most popular keypunch machine ever built, indeed did not have a shift key and was incapable of entering lower case text.
By the late 1970s, all of this had changed, and data was being entered from computer terminals in normal upper and lower case. However, not everyone got the word. It seems that a number of people do not realize that the keyboards of the twenty-first century have improved since those “stone age” computers of 40 or 50 years ago!