You're generalizing about approximately 3.9 billion people. If you're having trouble getting along with 50% of the population, it might be a good idea to reflect on whether it's everyone else who has the problem, of if the issue might lie closer to home.
As you noted, Lagottos are rare in the US so the breeders (male or female) don't need good customer service to sell their pups. Demand far outstrips supply. Unless you're planning a career in truffle hunting, you might consider a more popular breed so you have a wider pool to choose from and so the breeders have more incentive to play nicely.
There's a saying that could also be worth considering: "Perfect is the enemy of good."