They have shit tons of MP because they don't have the fuel to spend the MP on other things. While every other faction is making armor your sitting around twiddling your thumbs just pumping out more infantry.
Which do you think it least cancerous? OKW being able to get some more armor, or the continued prevelance of giant hordes of anti-everything infantry that we have now?
MP drains are good! And OKW should have more of them.
Nobody is saying remove the resource penalty. OKW already can benefit from caches are a reduced rate, this is just asking of they should be allowed to make them instead of relying on Ostheer team mates.
and they have a fuel penalty because their vehicles are so strong. if you allow them to build caches you're effectively removing the resource penalty. if they're allowed to use caches their fuel costs have to get readjusted.