[RangerScience]

AFAIK, yes, that is an issue. But it's not like it's a completely new issue. Timely information alteration is a long-standing tradition commonly known as "conning", as in "conman" as in "confidence man".

Under one perspective, the root of blockchain technology is a rigorous way to determine consensus reality. Ethereum is then an evolution on top of that - giving a good way to process that consensus reality.

Theoretically, one could begin implementing sensors of actual reality - is it raining today? who won this sportsball event? - within the system.

The TL;DR is that: Yes, but a) that's not a new problem and b) that's why this is all still under development and experimental, and why other people in this discussion only advise entering this market as an enthusiast.

[j1vms]

Employing a form of statistical threshold on the information that is gathered before making a decision could probably help resolve a lot of the potential for gaming the system.