While not justifying "Not seeing the bike" as an excuse, I do understand the power of vision psychology. both from driving and riding a bike
I try to make my self visible. Front white strobe light, 2 rear high power blinky. I don't always wear hi-vis, but am never a ninja and at 6' and 270 lbs I am kind of hard to hide.
I have had occaisons when a motorist looked at me and did not see me, then pull out infront of me, mostly drivers taking a left across my travel lane.
Drving I am very aware of bike and try to be aware of pedestrians. I had a close call with almost hitting a pedestrian. It was at an intersection that never has people who walk....or almost never. I was making a right on red. I looked left then looked right and stated. My son yelled, I stopped, no harm...but it did shake me...I looked but was not expecting a pedestian so i did not seem them.
the vision psychology thing is real
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Life is too short not to ride the best bike you have, as much as you can
(looking for Torpado Super light frame/fork or for Raleigh International frame fork 58cm)