"So at ~7% it takes 10 years to double your money."
No, it HAS taken 7% to double your money.
Most experts don't necessarily expect stocks to return 7% per year in the future. Instead they think stock returns are related to the price to earnings ratio, which has looked more and more unfavorable in recent years.
And even if you are basing your data merely on history, good luck designing an insurance that wouldn't have gone bankrupt during the great depression.
No, it HAS taken 7% to double your money.
Most experts don't necessarily expect stocks to return 7% per year in the future. Instead they think stock returns are related to the price to earnings ratio, which has looked more and more unfavorable in recent years.
And even if you are basing your data merely on history, good luck designing an insurance that wouldn't have gone bankrupt during the great depression.