If I were to use your pick (UK), your argument is invalid.
Insisting on “free” as the marker of being outside a market system is illiterate
Oh, so you can't see a system outside capitalism.
resources have to be expended to create things
And it should be policy to be free to reuse.
their has to be accounting for this somehow.
nrly.
manage their resources and ensure that they are distributed correctly
This is the key: managing resources to serve everyone, and distributing to the needed. Not the bourgeoisie.
Anarchists believe we can manage those resources efficiently and equivocally. Capitalist, and in the case of SocDems, believe they can do so for their populists.