You obviously didn't click the link because it specifically shows you accounts up to 5%. I mean, the friggin title is "Best High Interest/Yield Savings Accounts – Up To 5% APY"
The lesser rates have similar terms - only earn 3.5% on balances up to 10k, you must make 12 purchases from your debit card per month. You must spend more than 1k from your debit card per month. You must log in to your account at least once or month. If you skip any of these things, your interest rate is 0.01%.
This is your suggestion for storing wealth safely?
Says the person who suggests that a highly volatile and risky cryptocurrency with a long history of crashes and manipulation is a "safe haven".
So, yes.
5% risk free is not going to scale to much more than that but if you're saying "stocks are expensive, real estate is expensive," then you aren't going to reach that limit very soon...
I have the rest of my money in various investments, a very small amount (5%) speculational, including a small amount of Bitcoin plus around $90k in my house.