Translation of Wahnsinnige

I need to write you one more sentence. This is what my teacher told me and the German language is so difficult. So please, as a last favor, would you please write the sentence for me in German?
Only if the circumstances support it, such events can take place. Anyway, the ones who make a personal problem a public one and who generalize by blaming the whole instead of an individual are guilty.
Eating in that Sushi place was fan as everybody was greeted loudly whenever entering the restaurant. The quality of the Sushi was not the best, it was a fast food place, but we really enjoyed it.