Nothing "bad" about desperate overplays while losing from Alpha Go's perspective. In the same way that it doesn't care about winning by more than a half point, it doesn't mind making its loss more crushing. Invade every territory. If it doesn't work, you lose by a bit more. Boo hoo. If it works, you might winl

I'm very interested in the fact that they coded a "resign" function into it. I wouldn't have expected that.