Yes we should discuss about this adult education because without this our country wont have a good population that is the illiterate adult who dont have common that is basic knowldege should have basic education because it may lead to health problems because if they are suffering from fever they have to buy medicines so that they should have basic knowledge to atleast see that how that medicine works and what is its expire date because without knowing how will they use it 
this is one of the reason
some other reasons are adult should have education because if they have atleast basic education they can educate their children and can learn tham guide them in good manner in this way education for adults is important  
these are the some of the reasons in which education that is education for adults is important 
it is not only important for but for the country because the country will develop due to this more educated people will be there to develop our country in this way our country will develop 
i hope this helpful to u