Earlier quoted context omitted.
A coin flip with 50/50 odds is understandable even without predictions.
This is a technicality / edge case of 'pure randomness', rather than a rebuttal. Furthermore, I can predict the distribution of results for a coin quite accurately over long time timeframes. Indeed being the 'understanding' of a successful gambler means being able to make predictions about what will happen with a random process over time. Roulette for example is analogous to the coin toss; most casinos seem extremely…
Similarly casinos will sometimes lose lot's of money on Roulette when someone makes a big bet. But, the their long term average is positive money maker. Further, they don't pick specific returns just a range with some probability aka more than X not 10,203,556$.
What you want is a prediction for next year, not a model for next year.