This was based on 2020 election exit polling. How is it not true?
Black men shift slightly toward Trump in record numbers, polls show
New data helps explain Trump’s gains among Latino voters in 2020
2020 HINDSIGHT APR. 8, 2021 Latinas Drove Trump’s Gains With Hispanic Voters in 2020
Thus, his statement is blatantly false. POC votes couldn't come up to 100% for Democrats.