trying to enable publishing infra inside communication site collection gives error

When I tried to enable the Site Collection publishing feature, I got an error that indicated this was not possible. See screenshot below. Is it disabled by default because it is a Communication site?

So I tried to enable the Site publishing feature but, correctly, it would not work because the Site Collection feature was not enabled (in the past, on on-prem sites, we found that site owners would sometimes enable this without the Site Collection feature enabled). See screenshot below.

So perhaps the errors are correct, even if not very informative.