Yep, what a hard sell.
If you're an investor, you can read similar language on every platform you care to try their modeling.
At Schwab, Vanguard, Fidelity, etc.
Or, if you take the time to actually read the Prospectus...there's gonna be a similar disclaimer.
Words to the effect that Past performance is no guarantee of future results.
But over a 20+ year timeframe, I know which way I'm gonna bet