You end up with licenses that read like:

CASUAL USE BY USERS NOT TRAINED IN STATISTICS, OR BY USERS NOT SUPERVISED BY PERSONS TRAINED IN STATISTICS, MUST BE AVOIDED. USERS MUST BE TRAINED AT THEIR OWN EXPENSE TO LEARN TO USE THE PROGRAMS. DATA ANALYSIS PROGRAMS MAKE MANY ASSUMPTIONS ABOUT DATA, THESE ASSUMPTIONS AFFECT THE VALIDITY OF CONCLUSIONS MADE BASED ON THE PROGRAMS. REFERENCES TO SOME APPROPRIATE STATISTICAL SOURCES ARE MADE IN THE

STAT HANDBOOK AND IN THE MANUAL ENTRIES FOR SPECIFIC PROGRAMS.

STAT PROGRAMS HAVE NOT BEEN VALIDATED FOR LARGE DATASETS, HIGHLY VARIABLE DATA, NOR VERY LARGE NUMBERS.