Here is a HubSpot Ideas thread where you should share your thoughts and use case to help get in front of the HubSpot Product Team
You can also usually check this out on a case-by-case basis. The contact record will show all tracked activities and property values that pertain to your lead scoring, so a little bit of digging will usually identify what values or actions increased or decreased a contact's score. If you're looking to gauge specific actions, lists (or custom property update workflows) will be your best bet.