Oil is required for most plastics and met coal is required for iron smelting, so I doubt either is going anywhere in our lifetimes. Sure, energy sources will be diversified, but we can't abandon either industry today or the foreseeable future.

Tobacco might go away. Medical insurance should go away. Hedge funds will exist, as they are simply active investment groups that "hedge" risk. Leveraged and derivative investments might be more highly regulated and less common.