Socio-Cultural influences are a major factor that affects the consumer purchase decision model. However, this influence can be divided into smaller "sub-cultures" that gradually evolve over time due to various change factors. Which of the following is least likely to be one of these change factors affecting our society and culture?

Perceptions regarding the environment and climate change

Changing urban lifestyle priorities

More progressive acceptance of gender roles

Behavioural finance personal biases

The passage of time