Burn Mechanism should be adopted. I can't Comment on 13 weeks kr 4 weeks, but we do need to consider that HIVE has a lot of use cases and most of us ignore governance and other things.

If we can adopt such mechanism that hive in liquid form doesn't participate in governance etc but is used for voting etc.

On other hand powered hive would be given a lot better APR and more usecase so we can benefit both long-term and short-term holders.