You're better off looking at Apple vs Samsung or another case where it's apples to apples in the portfolio. Having leverage doesn't guarantee anything. However, a smaller vendor would likely not have lasted that long or cut a similar deal that preserved the bottom line. So, size of income plus patent portfolio helps.

There's been a number of suits and countersuits between companies in similar industries with overlap in portfolio that got resolved way differently than big companies coming after startups or SME's with nothing. It would probably be worth a law student in this area doing a full survey and analysis to see how the variables involved contribute to the situation.