Don't interpret too much into it :) When I signed up to HN and had to choose a nick, I sat in my living room looking at a Tanne (a fir in German) outside, and chose Tannhäuser (literally, a man who lives in the woods) in a hurry. If anything, it's a (quite arrogant towards the HN crowd) reference to Richard Wagner's opera/character rather than Blade Runner.

Hopefully you're not disappointed :)

Tannhäuser Gate is only the most enigmatic reference of the best scene of the best movie in the universe, and I never heard of any mind altering substance called Tannhae that you were admitting to use (are you a Can-D user or a Chew-Z user? [1]), so I assumed it must be a Blade Runner reference! But now I understand it's a direct reference to what Roy Batty may have been indirectly and allegorically referencing, which is quite un-disappointing. ;)

[1] https://en.wikipedia.org/wiki/The_Three_Stigmata_of_Palmer_E...

Tannhäuser is also a opera by Richard Wagner (which refers to some older folk tale): This is probably what Philip K. Dick inspired to use that name.