If you don’t have provisions for family members of citizens to visit without being subject to bureaucratic hurdles then you have two classes of citizens: ones who you recognise as having families and ones who you don’t.
A father or a mother or a brother or a sister should not need a visa every time they want to visit.
That’s a racist and xenophobic policy.
And if you don’t have to experience that because your family all have the same citizenship, count yourself lucky.