>>Whether it is can be debated, but Europe seems to be in a happier position regarding that than the US, at the moment

I'm Polish and Poland doesn't have any inheritance tax for children, not sure what US has to do with this.

>>I checked the US, France, UK, Spain, Morocco, South Africa and Brazil

Did you really? Here a UK page about this, there is no limitation on how much you can give your children tax free, tax only applies if you die within 7 years after gifting it:

https://www.gov.uk/inheritance-tax/gifts

And

Raisin UK https://www.raisin.co.uk Gifting money to children explained (2025)

>>Limiting the snowball effect of the wealthy getting wealthier generation after generation through no contribution of their own is considered a societal good

Again, so please tell me why you don't think we should be taxing it at 100%, to maximise the societal good?

I already pay effective rate of 40% of tax on all my earnings - am I not doing enough for "societal good"?