Our's aren't actively agressive.. apart from when I used a chainsaw to chop down a tree they were nesting in...then they wereI have a fig tree in the garden and this year quite a few over ripe figs that are too difficult to reach. There were plenty of European Hornets buzzing around the figs. The were no at all aggressive. I guess if you were near a nest they would be aggressive. They make a distinctive buzz so you know when there is one around.
That explains the tapping on my windows!Defo European hornet usually docile, more so than wasps. Do a lot of good catching pest insects including wasps ! At this time of year drawn to light sources as days get shorter