Maybe I phrased it the wrong way. What attracts me to open source isn't a higher number of contributors / bus factor, but the fact that if the project dies for

Maybe I phrased it the wrong way. What attracts me to open source isn't a higher number of contributors / bus factor, but the fact that if the project dies for whatever reason, I, and perhaps some other desperate users, can fork it, port it to newer platforms, fix the gravest bugs etc. If worse comes to worst, I'm not completely locked out. Meanwhile with closed source software, I'm completely realint on the software producer.