Neither of those is likely the reason. This is about A/B testing your way to success, growth and engagement. Allowing too much disabling of engagement driving f

Neither of those is likely the reason. This is about A/B testing your way to success, growth and engagement. Allowing too much disabling of engagement driving features or too much customizations hurts metrics. It's the same reason FB forces you from the date sorted timeline back to "magic" sorting every few days.