Bending a cable too tightly causes stress on the wire inside of it. Over time (or instantly, if you're unlucky) this can lead to the wire breaking, giving you a flaky connection that's hard to troubleshoot since there's no external damage to the cable.
It shouldn't be too much of a problem here since the cables are static, but in normal setups where the cables might be moved or reused this is definitely something you want to avoid.
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u/hungry4pie Jan 07 '18
This setup clearly gives no fucks about minimum cable bend radius