Yeah it'S pretty good reputation, no question
But still, at that point Sam didn't know him well and that's a fact
Yes Cap and Nat did get him his exofalconwingpackthingy but that's because Sam told Cap he would help him even though he still didn't know him well
"If Captain America needs my help, I'm cool with being killed by super psychopaths"
ok that's exactly what he said but that's the idea
Or "I do what he does, only slower"
, that's the ultimate beta following wingman talk
Not to mention how hard he was trying to be Cap's friend right after that jogging session, that was creepy as