It really depends. FRA just got quite a bit busier since the start of the summer holidays.

Also, I'd take different approaches based on the flight I land on. I'd be most aggressive if arriving on a Schengen flight, particularly if it's a major route. Instead, with a smaller route on a regional plane, I'd be slightly less aggressive (there can be delays if you get an apron position which is more likely on a regional plane).

Arriving Non-Schengen: I'd be much less aggressive. If the egates are not working for some reason, immigration will be delayed etc.