Viceversa

Do developers still code in such a manner?

Neither does systemd. They are optional.

Fields are optional, but developers of systemd consciously implemented those fields.

And in a DB that's not the case.

Programming language is a tool. Do you think there're no more tasks left where "mathy" programming language would be preferable?

systemd devs successfully rage baited you and a bunch of others

Should that be their goal?

This field appeared in LDAP for different reasons, than age control.

No. A database doesn't have these specific fields by default.

From what?

Because some can be rather large.

Did you see, what people could do with their arses? To the infinity and beyond!

Are you Linda or her associate?

But it would be golden

You can't read a text file without a program either.