A fascinating reddit post was mentioned here about a month ago - about the mildly famous (if a little macabre) 'Buy, Borrow, Die' cycle used by the obscenely-wealthy to - multi-generationally - avoid tax obligations. https://old.reddit.com/r/BuyBorrowDieExplained/comments/1f26... HN comments: https://news.ycombinator.com/item?id=41408772
This is something people love to rage about, yet it's not one with an obvious fix. The counterpoint is that this leaves money invested, which means others invest in other things, and still entails interest payments. It exists in part because you don't want someone who inherited his parents' house and wants to move in to go broke trying to pay taxes, or have to re-mortgage it, with an even stronger case with family fa…
In Canada, assets are deemed to have been disposed of upon death (or gifting) so the estate pays capital gains taxes on the accrued profit. There are a few exemptions for political reasons, e.g. to allow farmers to pass appreciated farm property to their children tax free, but they're sufficiently limited that they don't cost very much.
Seems like an obvious fix to me -- when the cost basis is stepped up, taxes are due -- and in practice it seems to work pretty well.