Yes there are many neutrals in convoys, but they are not so neutral as you may think.
As i told you, like the Norwegians late 1939/beginning 1940 they are not neutrals but ennemies
You can sink them as the Panama ones!
Idem for the Swedish...or the Dutch...as far as their countries are in RED on nav map!
Just like in real life, many U-Boats sunk those nationalities first year of war
I can give you plenty examples of real U-Boat victories in 39/40 with the nationalities above.
Don’t Sink any Greeks though