Nice guys *do* exist in aviation!
You sound surprised at this.  OF COURSE they do . . . and in a higher
percentage than in the general population (in my experience).  I could reel off
scores of examples where friendly FBOs, mechanics, and other pilots have
extended a helping hand to me over almost 30 years of flying.  From opening
after hours to get me fuel, to providing cars for ground transport, to letting
me copy needed approach plates,  to making small repairs
for NO money . . . the comraderie among GA is among it's biggest attractions.
www.Rosspilot.com