The manager did reserve special praise for wonderkid Yamal, however. The 18-year-old netted his team's first goal in the sixth minute and created a huge eight chances during the contest in another wonderful display.
Flick added: "It's important for the team and for the club. For everyone, it's good when he plays on the top level.
"He's young enough to improve, to have potential, to reach another level. I think it happens."
The goal was Yamal's fourth in his last five appearances, also contributing two assists during that time. In total, the teenager has 13 goals and 12 assists in 28 matches in all competitions this season.