In my opinion this discussion is in parts an academic or a philosophic discussion because you need both aspects, the mobilisation an the accounting of intangible assets. It also depends on the company its leaders and the situation of the company. Normaly you have a mix of the different management elements. There are some companies were you do not need to start with an explanation of the value of intangibles. In this companies the key persons have an good idea of the advantages of managed intangibles. This kind of persons need help in improving the way of management of intangibles.
But there is also a second kind of leaders. They are more focused on the monetary aspects. If you can show them the value of an good intangible management system or the risks of not managing their core values, they also can be convinced to establish an intangible management system.
In both situations or in both aproaches you have to make the intangibles visible the manage or to account them. I think that there are different modules of an intangible management and accounting systems. After a first analysis of the situation of the company an its needs, you have to choose the right IC modules to start with.
In my opinion intangible management has also something to do with sustainability and with fitness in a complex dynamic world. To establish the ability to survive in today's business world it is also necessary to have enough monetary resources. Therefor intangible management has also an strong connection to monetary resources. If the intangible management does not have an effect on risk reduction, efficency or monetary results, you have to question your management system.
As long as most parts of the economic world things in monetary elements we should show the advantages of intangible management for the monetary results. In addition I belive that there are also a lot of intangible management elements which need to be evaluated in terms of money to question if there is some kind of value and to avoid stupid solutions in the name of intangible management.