[gizmo686]

For almost all practical purposes, a decent prng is just as good as a csprng. Cryptographic security only becomes relevant in an anverserial situation. Otherwise, you would need whatever weekmess exists in the prng to be somehow correlated with what you are trying to measure.

[contubernio]

If practical purposes include simulating physical processes then the problems with orngs become quite important.

[RandomLensman]

What is an example there?