Why can we not use Liability Account Type on Asset Cost Clearing Account Setup on Asset Category ?

Summary:

There are Fixed Assets which when built are eligible for subsidy from govt/authorities. After the Asset is built and the amount for the subsidy is received, the requirement is to create another Asset that appreciates (rather than depreciates) in parallel with the original Asset (that depreciates).The subsidy Assets will have their own Asset Categories. The Asset Cost of the Subsidy Assets (assets that should appreciate) should be on a Liability type Natural Account and the Oracle Cloud FA allows that but does not allow a Liability type Natural Account on the Asset Cost clearing Account which is an issue as