Only ban ingame banned people in Discord if they broke the chat rules except S1#11 filters, because in Discord there is no caps/repetition filter and discord rules != ingame rules.
Why not the other rules?
- In Discord you cannot break anything in /build
- In Discord you cannot hack with terraria hacks like godmode
- In Discord you cannot do (DTP) exploits
- In Discord you cannot misuse dtp cmds, bots cmds only work in spam channel
Banning a spammer or racism enterer for example also in discord is imo ok because they are not so communicative.