i dont understand the question. I mean popularity in pets seems hard to figgure. Id say with the vast numbers of G. rosea being wild caught for the pet trade they are the most popular . but only because tey are cheap and what the pet stores carry. B. smithi used to fill that spot.
Personally i like them all. I have more terestrials now. Only one obligate burrower and one arboreal. I have another terrestrial coming and anothe arboreal ... hmm if singapore blue is arboreal lol i hear they like to burrow in captivity.
i didn't think the question was quite specific enough. i went ahead and voted terrestrial because i believe that to be the most popular over all. There are a lot of T's sold in the pet trade and a great deal of those are terrestrial. If you asked specifically about T hobbyist, i would have voted aboreal.
I also feel it should have been more specific, but I went for Terrestrial as I think that your G rosea & B Smithi are some of the most sold T's. I'm sure just about everyone has at least one of the 2. That is the way I took the poll.