First off, a successfully completed high-five selfie with a motorcycle rider would not be that cool. As a result, the risk-reward ratio is quite poor and very comparable to our idiot bull-challenging friend who was maliciously gored.
However, this dude still thought it was worth risking his life in order to capture a motorcycle selfie high-five:

About Jason Smith
Recent Posts
‘Stop making excuses’: WNBA head coach blasts his own players
Jose Fernandez wants accountability
Dan Hurley does not hold back on coaches adding fifth-year seniors
"It's not victimless."
Caitlin Clark does not hold back on intense pressure she’s under
"I’m trying to navigate life."
Aaron Rodgers does not hold back on people criticizing him
"Most people aren’t listening"
New York Liberty make shocking mid-season cut
"We want to thank Betnijah for everything she has given to this organization."
Why Larry Fitzgerald refuses to officially retire from the NFL
"There's no retirement in sight."