The answer's pretty straightforward and Occam's coloured.
Most of us with 10K plus hours have fallen for (and nearly done) this one.
See Sensory illusions in aviation - Wikipedia, the free encyclopedia
.
and upsloping runway illusion - Google Search
Already low due to the upsloping runway approach
illusion plus a banking late line-up - and it's easy to dig in a wingtip.
UNC