Free schools (kindergarten to university), free healthcare, social welfare, maternity/paternity leave up to 3yrs, 4weeks of vacation by law, etc. Also, no major war/terrorist conflict or conflict in the area for last 70yrs. read more
Other practical consequences: it is easier to travel abroad, stranger still subjects to visa regulations of the state whose citizenship he has originaly from, eg. Armenia, Vietnam, Ukraine. With the acquisition of Czech citizenship, other states must view the person as a Czech citizen. read more