This is simultaneously incredibly condescending and hopelessly naive. Politicians understand perfectly well that a 1% wealth tax is not a small tax on wealthy individuals. That's the whole point. They are engaging in basic political rhetoric when they say things like "a mere 1% tax".
It's an attempt at muddying the waters. It's what he excels at. This is the same guy who called Sam Altman "a force of nature". That is his level of judgement.