Totally depending on your age and when you plan to retire. In your 20s through your 50s, I would whole heartily agree with what you are saying, but at age 50 and beyond, its time to switch over to maintaining and less growth as you approach your magic number of dollars or the age you plan on retiring.All gas, no breaks until retirement is closer
A simple QQQ - SPY portfolio from 2010 forward seems to get roughly 15% per year.
My retirement is still very risk on until it won't be