No, this isn't right. There are totally legitimate use cases for PRNGs as sources of random number sequences following a certain probability distribution where freezing the seed and getting reproducibility is actually required.
No, this isn't right. There are totally legitimate use cases for PRNGs as sources of random number sequences following a certain probability distribution where freezing the seed and getting reproducibility is actually required.
And for a complicated concurrent system you can also replay the exact timings and orderings as well!
That's completely different from PRNGs. I don't understand why you think those things belong together.