It is very hard to get an Argentine tax discussion going on this forum, even though you would think it would be one of the biggest and first issues foreigners seeking to come and live here would want to consider. Instead, there is a lot of denial and wishing the problem away based on anecdotes.
To the extent it has been discussed, the matter boils down (for those who DO accept foreigners on Migraciones residency quickly become taxable on their income and assets--except where a DTA saves them, or they are on 5-year employment contracts, or they manage their time inside and outside the country in a particular way) to whether ACRA would be interested in and able to target a few faily mobile foreigners from OECD-like countries amongst the hundreds of thousands of immigrants here from poorer neighboring countries and millions of non-complying Argentine nationals.
Accepting one's income and assets are, technically, taxable under Argentine law is one thing. What one does about that (pay up, or evade, or pretend) is another. Only a tax lawyer here will be able to help you understand your particular risk profile in the current and foreseeable near-term environment and help you decide what to do.
The bienes personales tax is being progressively reduced by the current government, with a view to its elimination. But there is no guarantee that process will continue.