So you'd be 50 give or take a few years? Add another 15 years of...

So you'd be 50 give or take a few years? Add another 15 years of compounding $300k at 9.55% pa and you go over $1m without even considering the effect of contributions

Now think about someone who started working in 2000 who's had an average salary of $100k(so far, it will increase a LOT over the next 20 years), they're going to be easily over $3m in super. This is just maths, it's not complicated