"Why do people continue to not use our glorious FOSS Desktop solution that can't even handle simple application management without a hundred different tools?"

People who desire to see more widespread Linux Desktop usage will some day have to come to terms with the original conception of the phrase "The customer is always right". If you continue to ignore what people want, don't be surprised when they don't show up.

It hardly had a chance thanks fragmentation and hard core beliefs in compiling everything from source, up to around 2005 I was still a believer, nowadays I don't care.