But I'm not viewing things as fine grained as you are, but more fuzzy. A hundred bucks are basically nothing, but if I'm a doctor and have to decide whether to work for someone paying me a thousand dollar per hour or for someone paying me a thousand dollar per day, who am I going to choose to work for is obvious. If the difference in money isn't big, than things aren't as obvious.
I don't know much about what Nikola Tesla did, but maybe it's similar to someone having failed to negotiate adequate compensation. Which in turn is similar to someone getting killed and having his wealth outright stolen. The outcome is kinda the same: someone who didn't create the wealth reaps the benefits. Here's the thing, though, all said and done it doesn't matter who created the wealth, but who has it. Or let's rephrase that. Between the guy who cured cancer and the one who killed that guy, but got all the research results. Does it really matter to you who sells you the cure as long as you get the cure, if you suffer from cancer? Sure, there's injustice and all that. But does it really matter enough for you to not buy the cure for cancer from the murderer and die instead? And that is my answer. If you can amass wealth you are worth more. Even if you stole the wealth. You might then be hated and persecuted, but with enough wealth, that's not really that much of a problem, as there are few people not willing to buy the cure of cancer from a murderer if their life is on the line with no alternatives.
It's all about benefits in the end and wealth is a form of benefit. If you're good at gaining wealth, you're worth more than people who are bad at gaining wealth.