When I lived in Germany, I never drank warm beer. Except for one year, Licher had a "Christmas beer" that was like a thick doppleback. It wasn't warm, exactly, but more of a warmer cellar temperature. I didn't care for it, but I tried it. I was pretty young then, and don't really recall the particulars of that.
Otherwise, the beers are cold. Pilsner is a wonderful German beer, and there is a nice version that is more Czech called "Bohemian pilsner". They are very similar, with the BoPils being a little "spicier" from saaz hops.
I never spent more than a couple of minutes waiting for a beer, and there wasn't excessive foaming at all. Germans do know how to do beer, you know!
I learned how to drink beer in Germany. All throughout the countryside there were microbreweries supplying the gasthauses. You generally had two choices- "pilsner" or "export". The pilsners were firmly bitter and the exports were less so. When I came to the US, the beer options surprised me as there weren't microbreweries or little places with good beer.
I had cellar temperature beers when I visited England, but even so most beers were cold and not "warm".
I've never actually heard a European talk about warm beer- only those in North American who tell it as if they know what they are talking about.