The System has existed for eons. Considering all the variables, it has adapted well. Much like you, it has toiled to reach its goals, and it has overcome many obstacles. However the scale is larger. The struggle is longer.
In organic beings, age can slow reflexes and dull thought. Not so with the System. The speed and efficiency of its calculations are not in doubt. One could argue they’re the problem.
If a function has a 0.001% chance to cause an error, but it’s only run a dozen times, an aberration is unlikely. But a trillion times? Then it’s inevitable. More time, more errors. A drop turns to a trickle. A trickle to a flood.
As I said, everything is finite. The System is no exception.