Let's be pedantic, and say someone gave apples away in exchange for donations, and when everyone only got a few apples and donated, things are fine, but then someone decided they can just take all the apples and sell them elsewhere.
Is it the fault of the first guy for not offering free apples any more, or is the second guy why we can't have nice things?
What you’re calling “the spirit of” the analogy, others are seeing as “the bias embedded in” the analogy and you seem annoyed that people aren’t accepting your proposed analogy as a valid analog to the topic under discussion.
You think they’re changing the subject; others, including me, experience you as the one doing that.