What do you make of the Swing towards Trump in San Francisco?

[HAnnA MArin County]

Here are the San Francisco neighborhood results from 2016-2020 (write-ins included in both), going from largest Trump swings to largest Biden swings. Not knowing that much about San Francisco or its neighborhoods, I hope our California avatars can help shed some light on these results.

VISITACION VALLEY
2016: Clinton 80.86% — Trump 13.82% = D+ 67.04
2020: Biden 74.14% — Trump 23.51% = D+ 50.63
SWING: R+ 16.41

BAYVIEW/HUNTERS POINT
2016: Clinton 85.40% — Trump 9.29% = D+ 76.11
2020: Biden 81.46% — Trump 15.93% = D+ 65.53
SWING: R+ 10.58

INGLESIDE
2016: Clinton 82.42% — Trump 11.13% = D+ 71.29
2020: Biden 79.85% — Trump 18.10% = D+ 61.75
SWING: R+ 09.54

EXCELSIOR (OUTER MISSION)
2016: Clinton 80.38% — Trump 13.60% = D+ 66.78
2020: Biden 77.55% — Trump 20.29% = D+ 57.26
SWING: R+ 09.52

PORTOLA
2016: Clinton 79.34% — Trump 14.67% = D+ 64.67
2020: Biden 76.82% — Trump 21.01% = D+ 55.81
SWING: R+ 08.86

CIVIC CENTER/DOWNTOWN
2016: Clinton 83.52% — Trump 9.17% = D+ 74.35
2020: Biden 82.58% — Trump 14.60% = D+ 67.98
SWING: R+ 06.37

LAKE MERCED
2016: Clinton 77.12% — Trump 15.63% = D+ 61.49
2020: Biden 76.86% — Trump 21.33% = D+ 55.53
SWING: R+ 05.96

SUNSET
2016: Clinton 77.73% — Trump 15.37% = D+ 62.36
2020: Biden 78.27% — Trump 19.59% = D+ 58.68
SWING: R+ 03.68

CHINATOWN
2016: Clinton 83.85% — Trump 9.59% = D+ 74.26
2020: Biden 84.35% — Trump 13.68% = D+ 70.67
SWING: R+ 03.59

SOUTH OF MARKET
2016: Clinton 84.95% — Trump 8.31% = D+ 76.64
2020: Biden 85.84% — Trump 11.83% = D+ 74.01
SWING: R+ 02.63

RICHMOND
2016: Clinton 81.21% — Trump 12.07% = D+ 69.14
2020: Biden 82.71% — Trump 15.20% = D+ 67.51
SWING: R+ 01.63

POTRERO HILL
2016: Clinton 89.56% — Trump 4.82% = D+ 84.74
2020: Biden 90.59% — Trump 7.42% = D+ 83.17
SWING: R+ 01.57

MISSION
2016: Clinton 89.34% — Trump 4.11% = D+ 85.23
2020: Biden 90.79% — Trump 7.00% = D+ 83.79
SWING: R+ 01.44

WESTERN ADDITION
2016: Clinton 89.16% — Trump 5.04% = D+ 84.12
2020: Biden 90.45% — Trump 7.74% = D+ 82.71
SWING: R+ 01.41

SOUTH BERNAL HEIGHTS
2016: Clinton 89.23% — Trump 5.28% = D+ 83.95
2020: Biden 90.58% — Trump 7.74% = D+ 82.84
SWING: R+ 01.11

NORTH EMBARCADERO
2016: Clinton 82.65% — Trump 10.25% = D+ 72.40
2020: Biden 84.67% — Trump 13.20% = D+ 71.47
SWING: R+ 00.93

DIAMOND HEIGHTS
2016: Clinton 88.49% — Trump 6.90% = D+ 81.59
2020: Biden 90.11% — Trump 8.32% = D+ 81.79
SWING: D+ 00.20

INNER SUNSET
2016: Clinton 87.61% — Trump 5.96% = D+ 81.65
2020: Biden 90.02% — Trump 8.09% = D+ 81.93
SWING: D+ 00.28

NORTH BERNAL HEIGHTS
2016: Clinton 90.50% — Stein 3.67% — Trump 3.54% = D+ 86.96
2020: Biden 93.18% — Trump 5.09% = D+ 88.09
SWING: D+ 01.13

UPPER MARKET/EUREKA VALLEY
2016: Clinton 92.52% — Trump 3.04% = D+ 89.48
2020: Biden 94.73% — Trump 3.81% = D+ 90.92
SWING: D+ 01.44

NOE VALLEY
2016: Clinton 90.80% — Trump 4.26% = D+ 86.54
2020: Biden 93.33% — Trump 5.01% = D+ 88.32
SWING: D+ 01.78

HAIGHT ASHBURY
2016: Clinton 91.01% — Trump 3.05% = D+ 87.96
2020: Biden 93.90% — Trump 3.95% = D+ 89.95
SWING: D+ 01.99

WEST OF TWIN PEAKS
2016: Clinton 79.86% — Trump 13.84% = D+ 66.02
2020: Biden 83.20% — Trump 15.16% = D+ 68.04
SWING: D+ 02.02

MARINA/PACIFIC HEIGHTS
2016: Clinton 82.50% — Trump 10.38% = D+ 72.12
2020: Biden 86.17% — Trump 11.93% = D+ 74.24
SWING: D+ 02.12

LAUREL HEIGHTS/ANZA VISTA
2016: Clinton 84.96% — Trump 8.34% = D+ 76.62
2020: Biden 88.68% — Trump 9.55% = D+ 79.13
SWING: D+ 02.51

SEA CLIFF/PRESIDIO HEIGHTS
2016: Clinton 82.01% — Trump 10.80% = D+ 71.21
2020: Biden 86.25% — Trump 11.97% = D+ 74.28
SWING: D+ 03.07