I'm sure you have good intentions, but the fact of the matter is the company may be acquired or the people replaced, and those intentions might change.

IMHO investing in a closed-source product like bamboolib as a tool for an important business function is very risky. Imagine you're a small company, and you start using bamboolib for some part of your data analysis pipeline. Bamboolib gets acquired (you have exited kite_and_code, congratulations), and the now very large company that controls it decides to stop supporting some feature critical to what you're doing, make an addition that messes everything up, go full-on SaaS somehow, or just shut the product down. What now? You've been growing, so you've got a small team of junior non-experts who were getting the hang of it...switching will be painful (or you could lock yourself in that walled garden and pay the SaaS price...).