There's no sense in being precise when you don't even know what you're talking about.
Anyone who considers arithmetical methods of producing random digits is, of course, in a state of sin.
Anyone who attempts to generate random numbers by deterministic means is, of course, living in a state of sin.
If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is.
It would appear that we have reached the limits of what it is possible to achieve with computer technology, although one should be careful with such statements, as they tend to sound pretty silly in 5 years.
The sciences do not try to explain, they hardly even try to interpret, they mainly make models. By a model is meant a mathematical construct which, with the addition of certain verbal interpretations, describes observed phenomena. The justification of such a mathematical construct is solely and precisely that it is expected to work.