>>22675558A lot of people misjudge how cycling can physically tax you.
The first 5 minutes are comfy but then your blood sugar slowly drops and you need to put some more focus into riding.
What they misjudge is how much that affects you on the road, and how quickly that will set in.
I rode through Amsterdam for 30 minutes, twice a day, 6 days a week, for 8 years straight. I know all about the sugar crash.
Athletes will carb load to help mitigate that and slow it down, and to fuel their body during the course.
Wanna bet that most of the amateur cyclists, both casuals on a closed hub gearbox (or fixie) and the lycra enthusiasts with 27 derailleur settings, don't think of that before going out?
And when those enthusiasts forget and lose their own attention, that they don't have anything on them to fix the problem they just created?
That guy in OP's webm could've seen the car but didn't. His eye wasn't on the road or on the side walk, I bet you he was staring right down at the handlebars, incapable of looking at anything else because with his blood sugar and his focus on pedaling he could not afford to notice anything else.
Also pro tip, ride the bike like you're driving a car. Head on a swivel, brake on time, indicate, and don't nick other people's space.