Perhaps they would remove it if they are concerned their platform could be incentivizing wrong, dangerous or stupid behavior and they worry about the brand damage that does or have ethical problems profiting off that.
Predicting 50% can be validated: if I say a coin will be heads 50% of the time, I know more than nothing: I know more than someone who incorrectly claims it will be heads 75% of the time.
And we can quantify in various ways how much better the 50% prediction is than the 75% prediction.
It’s a really incredible demonstration of some highly non-trivial operations on regular expressions.