That’s pretty much the motivation for my portfolio construction as well. 
And when I’m senile towards the end I’ll buy a bunch of Lambos with the hitherto unslain goose that laid the golden eggs … or I’ll pass the goose on to my loved ones.
Though, to be fair, the conversion rate of the pillar 2 is actually very nice - it’s just that during the accumulation phase, the compound return on “your” pillar 2 is IMO not that great. At the least, it’s downside protected, which my pillar 2 in the Freizügigkeitskonto is not.