Worth noting that similar dynamics goes on with Asians too.
I wonder if it's an immigrant thing.
D-R (CNN exit poll)
1992: 31-55 (-24)
1996: 44-48 (-4) 20 point swing to Clinton
2000: 55-41 (+14)
2004: 56-44 (+12) 2 point swing to Bush
2008: 62-35 (+27)
2012: 73-26 (+47) 20 point swing to Obama
2016: 65-27 (+38)
2020: 61-34 (+27) 11 point swing to Trump
Exit polls aren't great and especially this year.
Additionally, other exit polls show Biden getting 68% of the Asian vote. NBC's exit poll shows Biden getting 63%.