My figures were just an example. The instructions said to halve the assets that can’t be otherwise divided.
Joint assets aren’t always shared. It is very possible for two people to own a house and one own 90%, especially since it involves a second (or third?) marriage, with children on at least one side but maybe both. For example, if one party owned the house at the time of marriage, the other would only own half the increase in value since the marriage in a community property state, maybe less in the other ‘equity’ states. It is absolutely possible to show that a bank account is lopsided - if one party contributes $1000 per week and the other $10; if one has only been a party to that account for a year and the other for 30 years…
But it doesn’t matter. Harvard wants the parties to divide the assets if possible, and if not possible to list half the value. If it wasn’t possible for the assets in an account to be anything other than equally owned, Harvard wouldn’t ask the question. It is a lot more common than one might think for spouses to own their own properties and accounts, especially for second marriages when those marriages were started with very lopsided portfolios.