Now look. You said :
...the French resistance was pretty ineffectual and its size largely mythological...
and I posted a link stating :
...No sector gave the Reich more cause for fury than Nancy’s – the Auvergne, the Fortress of France. Methodically the SS laid its plans and prepared to obliterate the group, whose stronghold was the plateau above Chaudes-Aiguwes. Troops were massed in towns all around the plateau, with artillery, mortars, aircraft and mobile guns. In June 1944 22,000 SS troops made their move on the 7,000 Maquis. Through bitter battle and escape, Nancy and her army had cause to be satisfied: 1,400 German troops lay dead on the plateau, 100 of their own men...
Now tell me, Mr. Logic 101 : how is tying down 22,000 SS, and killing 1,400 of them 'ineffectual'? No sophistry or spin, now; just answer the question asked, please.