They claim that with sufficient insulation a colony could thrive in the coldest parts of the planet. Since they generate their own heat it would just be a matter of conserving/regulating it.
The reason BSF aren't catching on is because they're icky. The scientists involved in studying BSF refer to it as "the yuck factor". Seriously.
Consider the sales job I've done for BSF on this website and the corresponding lack of response to it. If pond managers can't embrace the benefits of raising these bugs then nobody will. I've been looking for a down side to this process for several months and I just can't find one.
