The resource credits are needed to prevent new accounts spamming the system. With your delegated HP you ought to be able to comment a bit. If you earn HIVE you will get past this issues.

After several days I very slowly understand the mechanisms on Hive. To say they are not bad in general. But they are very, very unfriendly to new users.

What other aspects are bad? I see other new users just getting on with it.

!BEER