

Even if you discount all other forms of taxation, and only focus on income taxes, the sentiment is irrelevant to this particular vote.
His support appears to be concentrated in the middle class. (Median household income in NYC is about 80k, right about the peak of his vote share)
https://www.pewresearch.org/religion/2025/02/26/religious-landscape-study-methodology/
It goes on to say the results were then weighted to get a representative demographic sample, e.g. if more older people answered, younger responders would count for more.