Motorcycle Crash Lowside, SlowMo added

Palomar Mountain. Location: 33.28868 -116.80608 Going South Yamaha R1 2005 I bought this bike a few months ago before this happened. This bike has .\r
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1/4 speed motorcycle crashes in reverse. (Crash List below not in order) Kawi 600 Into Rail Wht CBR1000 .\r
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Help new riders, opinions on why the rider crashed are always welcome . (unless you are 13 and not driving, then please dont share your crash analysis ) .\r
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Customized Harley Bagger crash near the Rock Store. Great recovery, used momentum to land back on his feet then just walked away while bike was still .