Delta chat groups how to? [open public chats without admin]

Delta chat groups have “unexpected” behavior compare to the other messaging software. Main difference is that there are no “real” admin and any user could delete any user from the chat. What is the best practice to create public groups when there is no “administrative”
Control

Logs
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If applicable, debug logs can be copied from within the Delta Chat app: 

Open the _Settings_ menu -> _About_ -> _version number|Info_.

Alternatively from the Android system log:

` adb logcat -v time -s DeltaChat `

This log contains private data (e.g. mail address, provider information) which shall be removed or anonymised prior to posting.
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I am new to deltachat and would

Like to hear about best practice in running public groups in Deltachat

Duplicate of:

You now have the option to communicate with others one-way by creating a broadcast channel that is open for new joiners.

If you have the means and expertise to host bots, you have the option to install one of the following that enables you to serve your community through a moderated group: