Reply to One method to Easily Solve the language issue
How would one handle a topic with multiple languages?
When you post in an english topic, should it lock all responses to english?
If someone quotes a spanish comment and answers in english, how do you deal with that? Do you hide parts of the conversation?
A default is a good idea, that could save users time. But what if someone uses the default english tag but writes in korean?
These are all questions that sound like strawmans but in an implementation you have to find solutions to them. And a solution can be "we don't care about that". But I want to make conscious choices on all these details before I plan an implementation.