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
Geno Smith ‘cherishing’ return to New York
"I see a lot of potential in this team."
Drake Maye looking forward to Super Bowl rematch
"It’ll be something for us to gain some extra motivation."
Knicks complete sweep of Cavaliers in dominant fashion
"It's a magical thing."
Kenny Atkinson, down 0-3, insists Cavaliers are winning ‘analytically’
"I don't know if you guys follow that -- the expected score. We've won two out of three."
LeBron James brutally honest about what went wrong against Thunder
"At the end of the day, we failed in talent."
Shai Gilgeous-Alexander brings homes MVP for second-straight season
"It's special."