Illegal commod refineries should be a given, don't forget how much that would help quasi lawfuls especially - their PoBs cannot be sieged by house lawfuls outside of house space, so that rule system would finally actually promote activity.
To spam - it should be easy to make a base, they will die drastically faster unattended and core ones will be easier to take down.
Mass mining is good for sure for unlawfuls - sitting in place with clouds of money is a very easy target for activity - if people will mass mine and stay in the same area for hours that would be absolutely amazing