iwda has one of the lowest spreads; if you do rebalancing often, it might be worth it;
many mncs have exposure to china market, you dun need china stocks to have exposure to china; so you're not forgoing it
vwra and iwda track each other very closely
I have nothing against shiny. I think my point is that everyone has the responsibility to do their own due diligence and think through how they are spending their money. And also that as far as possible, our arguments should be coherent, or just admit that we aren't as principled as we try to say we are.
For instance, it's fine to mention low spreads, but if that's our argument, then are we also recommending constant rebalancing? Because it seems to me it is a non-issue for those who rebalance less often. Low spreads are really more a concerns for day traders. Less for long term investors.
If our argument is that we don't need geographical representation, then we should be fine even without a global or developed market index. After all, many Americans only buy the S&P, arguing that US companies have a global market.
I have nothing against such an argument, but we cannot on the one hand dismiss the US arguments and then on the other hand claim that it is okay to go without China using what is essentially the same argument that we just dismissed.
As for the argument that iwda tracks vwra closely, this is only in terms of performance. There is a 10-15% difference in the companies that they are vested in. To use past performance as an argument that the two will continue to be the same... is rather laughable yes? It is a common sight on investment factsheets that past performance is no indication of future results.
If we accept this argument of past performance, then likewise, we should be prepared to accept other 'past performance' arguments such as how Nasdaq is better than S&P and how US is better than international.
Otherwise our own arguments are inconsistent and we are just fooling ourselves. Shrug.