Training data is fragile

When The Washington Post lost a significant number of subscribers in protest over its decision not to endorse a presidential candidate in the 2024 election, many people posted screenshots to prove it including the retention offer the paper gives people when they cancel. Due to the publicity, many more people than usual know of the retention offer and can use that to make decisions. This means the data they’ve collected over the years to decide optimal retention pricing is no longer pertinent to current behavior.