I think it's more that it had limited growth potential. As I understand it, they have very steady revenue from it and using it to buy bitcoin was seen as a better option than trying to invest in the software enterprise.

I had the impression that their software business sucked. 

purpurato

econ

What is Saylor doing?

I'm not any sort of expert on Strategy, but I thought they were taking out loans that could be covered by the revenue from their software business, if necessary. If bitcoin's price collapses, they could still pay the loans with that revenue and keep the bitcoin. If bitcoin appreciates, they can pay the loan off with a fraction of the bitcoin purchased with the loan.