Indeed. Many ISP billing/CRM systems date back to the 1990s and store plaintext passwords as a "feature." Non-technical users (say, customers of a dialup ISP)

Indeed. Many ISP billing/CRM systems date back to the 1990s and store plaintext passwords as a "feature." Non-technical users (say, customers of a dialup ISP) tend to like being able to "guess" at their password with the customer service rep instead of having to recite their exact password or pick a new one on the spot.