Did you ever try only the first 19 or 18 or 17 or 16 of your 20+ password in the past? Just because they are alerting you to something now does not mean that in

Did you ever try only the first 19 or 18 or 17 or 16 of your 20+ password in the past? Just because they are alerting you to something now does not mean that in the past they did not silently ignore any chars past 16.