There is enough food for all:

https://www.marxists.org/archive/hardcastle/1983/marx_conception2.htm

https://www.marxists.org/archive/hardcastle/1983/marx_conception2.htm

The points you have raised have been discussed on the SPGB forums.

https://www.worldsocialism.org/spgb/forum/topic/money-free-world/

I may not convince by posting these links. Will I have failed where the Stalinists succeeded?