You should always be allowed to express your personal preferences, however, you should never comment on someone else’s preferences in a negative way or in a way the generalizes those who share those preferences.
The pattern repeats back generation after generation. Even with no records, there were two people who made a kin. At some point, it was reduced to a being not human, more ape. Back furthermore pure mammal than an ape. Back further and further hardly an animal, a group of cells. Back to the furthest, what reason produced the first cell which branched out to one day lead to you sitting in a chair reading this. God is the start.
Once we leave our limited life state our spirits will be unbound, we will no longer have restrictions. Currently, we are restricted by our energy, education, and even time. Once freed from those restrictions we can see what is outside of the cave. View the universe from afar. Understand why it is doing what it is doing.
Life does have meaning, however, that meaning is simply busy work.