What would OCD do?
Random and stupid thought.
OCD types have undoubtedly been around forever. It's a distinct genotype that comes through clearly regardless of circumstances.
Here's a funny 1949 episode of 'This is your FBI'. A 'germsy' kidnapper who compulsively cleans everything spoils the perfect crime by scrubbing down the abandoned tourist cabin where the gang was holding the victim. Before his cleanup, hundreds of random fingerprints were scattered in and under the dust and leftover magazines and clothing. After his scrubbing, he carefully touched every surface to check for the last particle of dust, and left perfect prints.
What would 'Germsy' have done in Elizabethan England where soap was unknown and everything rotted under layers of perfume and lead-based makeup?
Later thought: We do have evidence that the 'germsy' type existed, and it's hardly obscure!
Out, out, damned spot!