This does not include emerging markets. You trade simplicity for flexibility. The more control you want over the individual allocations, the more ETFs you need to separate out and manage.
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This does not include emerging markets ([NTSE](https://www.wisdomtree.com/us/products/capital-efficient/ntse) is an option). [RSSB](https://www.returnstackedetfs.com/rssb-return-stacked-global-stocks-bonds/) and the other Return Stacked funds can also simplify the allocation.
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The more control you want over the individual allocations, the more ETFs you need to separate out and manage. You trade simplicity for flexibility.
[Ben Felix](https://youtu.be/E7pl0tqzIUQ?si=iUFAPXMZ9H6eIuPm) has a good video on leveraged ETFs and they are not all bad.