Why This Element Is So Believable
Because the foundation is real. Nothing in the result column is invented, and a user who checks a few period numbers against the operator's history finds that everything matches. That verified accuracy then transfers, without anybody noticing the step, to the lines and labels drawn on top of it — and those are the only part making a claim.
It is the same move a weather graphic makes, except that a weather model has physics linking yesterday to tomorrow. Here the link is missing and the graphic is doing all the work of implying one.
The Chart We Would Trust
One that plots what you staked rather than what the generator produced. Every genuinely useful number in this game is about your own behaviour, and all of them are available without any tool at all.
Why the sequence contains nothing to extrapolate from is covered on the streaks page, and every guide is on the home page.