Religious culture is the problem, not religion. Since Atheist culture can be good or

[Abaddon_ire]

I wasn't questioning them.

EDIT: I was responding to the content of the post rather than to the poster.

It's "netiquette". Not a bannable thing as such, but is considered impolite to resurrect long dead threads.  This is not a convention peculiar to this site, it is broadly agreed across many fora.

There are practical reasons for that convention. Participants in an old thread may have simply ceased participation, been banned, or actually died. Thus they have no right of reply for whichever reason.

Just saying.