2 official rulings from Bandai. Straight answers to how this card actually resolves.

This card reads, ‘This Digimon is unblockable.’ What exactly does that mean?
In response to this Digimon attack, an opponent’s Digimon cannot redirect this Digimon's attack when activating the <Blocker> effect.
Can my opponent still suspend their Digimon with <Blocker>?
Yes, the Digimon can still be suspended but the attack will not be redirected.
Got a line that uses MetalEtemon? Map it in the builder and share it with a link.
Questions and answers are Bandai's official rulings, collected and translated by the DigimonCardGame Wiki community and reused here under CC BY-SA. Card names and card text are © their respective publishers; Combalo is not affiliated with Bandai.