Right, there could be extra recline for the confort + seats, but being in the first row behind confort + (in standard eco) doesn't mean KLM will somehow compensate for that extra recline. I've flown the bird a few times and standard eco, even right behind eco+ doesn't have extra legroom, and it's just a very partial ceiling divider that visually tells where the split is (no bulkhead).
The KLM A330 isn't the best product as KLM intends to phase it out over the next couple years, once Boeing can get its act together.