TL;DR
Have logistics requests/fulfillment actually pay attention to the radio buttons/planet filters/requested amounts and "do the math", rather than just block any source providing an item to a destination if that source has a second logistics request of that same item. See below for details ...

TLDR: There are replicable cases where platform-to-platform logistics transfers do NOT take place even though the tooltips, radio buttons, and filters suggest they absolutely should. Specifically, multiple logistics requests for the same item (even if one is from the planet, the other from a ...