Do you mean APY? Even if, none of the major banks have offer the best APYs. Yea, a local credit union probably doesn’t either (usually the online-only banks) but regardless.
Not to mention the big banks are going to take money from you for things like transfers, monthly fees, etc.
Either that or an elitist whose goal is “to appear rich”. Like, the flagship models of the major Android phones are the same price if not more, but for some reason having an Apple device is just some sort of status symbol.