If they are saving for emergency purposes then that I can say is recommended I think that we should have money for investments and money for emergency purposes
Saving is of two types if a person wants to save money for emergency purposes then he should not use this amount for investment but if a person wants to not only save amount but also increase money then he should save money in some investment which will save his amount with multiplying mechanism.
Just saving cannot make you rich but it can reduces your hurdles during harsh situations but investment can increase your wealth. I am in the opinion that a person should save some amount of emergency purposes while there should be some investment also which can give you profit to make your life easy.