There are taxes associated with transferring property from one person to another, however, the costs I was referring to were things such as performing a title search, and title insurance, both of which are paid to entities other than the government.
same thing though. private businesses might find a benefit/cost savings by using blockchain but they don't necessarily pass any of that on to the consumer. for example car insurance. rates are going to be based on real world data not how much money the blockchain saves them.