In order for bitcoin to succeed we need people to spend AND save.
A mid time preference could be in regards to stacking sats now, and spending and taking profits during a bull market. Reaping some rewards when prices are high and stacking when prices are low. Now obviously not everyone can do this, but this could be an ideal scenario for bitcoiners if they have the means to do it.
Not only would this have the benefit of creating a circular economy with bitcoin with proper inflows and outflows of money coming in and out of the system, but this can also help to redistribute the wealth and help bitcoin become more of a fair system. People with lots of bitcoin can sell off some and lower the amount they have and give opportunities for plebs to stack a bit more. The more distribution the better the network becomes.