The Seagulls won as Olivier Boscagli, Stefanos Tzimas (2) and Tom Watson all scored on their debut. Brajan Gruda and Diego Gomez were also on the scoresheet on Wednesday night.
But Hurzeler reasoned: "I think it's positive. We scored six goals, that's a positive thing. Of course, we were quite sloppy in some moments. It starts with the first action where we gave away an easy pass, so we invited them to score goals in the first half.
"In the second half we started strong. For the first 70 minutes we played a good game, we created chances. Then again, we had a lot of changes and after the substitutions we lost a bit of structure, but we have a brilliant goalkeeper in Jason (Steele).
"Overall we have to be positive. We created a lot of chances, we kept a clean sheet with a little bit of luck, with a great goalkeeper. In some moments there was good defending. If you take away the sloppy moments we had a good performance.
"I always emphasise how important leaders are for me and they are two great leaders on and off the pitch. They're not only great leaders, but they're also great players.
"They showed it today. So I am very pleased with their performance, especially Jason, he made a lot of great saves. I am very happy for him. He's a great goalkeeper. I always say we are very, very lucky to have such a good number two in our goal."