sharing certificates via ACLs - possible?

Hi guys.

I wonder if it is possible to have PostgreSQL share
certificates with other bits & bobs.
I see PGSQL is very unhappy and won't accept certs with
permissions like:

-> $ getfacl
/etc/pki/easy-rsa/pki/private/c8kubernode1.private.wel.key
getfacl: Removing leading '/' from absolute path names
# file:
etc/pki/easy-rsa/pki/private/c8kubernode1.private.wel.key
# owner: root
# group: root
user::rw-
user:postgres:r-x
user:redis:r-x
group::---
mask::r-x
other::---

such ACLs I think obviously, result in:
-> $ ll /etc/pki/easy-rsa/pki/private/
total 12
-rw-r-x---+ 1 root root 1704 Mar  1 13:35
c8kubernode1.private.wel.key

and then PGSQL fails to start:
...
Starting PostgreSQL database server...
2021-03-02 06:04:15.168 EST [1173631] FATAL:  private key
file
"/etc/pki/easy-rsa/pki/private/c8kubernode1.private.wel.key"
has group or world access

If that is by design, is not then bit over the top?

postgresql-13.2

many thanks, L.