Description of problem:
This is a bug request to improve the feedback message and consistency when trying to list available usage|role|addons|service-level as suggested by the help...

[root@kvm-02-guest10 ~]# subscription-manager usage --help | grep -- --list
  --list                list all usage available

[root@kvm-02-guest10 ~]# subscription-manager role --help | grep -- --list
  --list                list all role available

[root@kvm-02-guest10 ~]# subscription-manager addons --help | grep -- --list
  --list                list all addons available

[root@kvm-02-guest10 ~]# subscription-manager service-level --help | grep -- --list
  --list                list all service_level_agreement available

Notice above that the help information for --list is rather consistent and describes that it's function is to list available values - not "provide" values.


Version-Release number of selected component (if applicable):
[root@kvm-02-guest10 ~]# rpm -q subscription-manager
subscription-manager-1.28.5-1.el8.x86_64


How reproducible:
When using a new account that has no subscriptions available....


Steps to Reproduce:
[root@kvm-02-guest10 ~]# subscription-manager usage --list --username=stage_newuser --password=REDACTED --org=13056508
No valid values provided for "usage"

[root@kvm-02-guest10 ~]# subscription-manager role --list --username=stage_newuser --password=REDACTED --org=13056508
No valid values provided for "role"

[root@kvm-02-guest10 ~]# subscription-manager addons --list --username=stage_newuser --password=REDACTED --org=13056508
No valid values provided for "addons"

[root@kvm-02-guest10 ~]# subscription-manager service-level --list --username=stage_newuser --password=REDACTED --org=13056508
This org does not have any subscriptions with service levels.

Notice above that the feedback when listing available values is not consistent and uses the word "provided" which is confusing from the perspective of the user who is trying to list "available" values.

Actual results:
  No valid values provided for "usage"
  No valid values provided for "role"
  No valid values provided for "addons"
  This org does not have any subscriptions with service levels.
                  
Proposed results:
  This org does not have any subscriptions with an available "usage".
  This org does not have any subscriptions with an available "role".
  This org does not have any subscriptions with an available "addons".
  This org does not have any subscriptions with an available "service-level".


Additional info: