Cap iw's pietrification Vs Dr doom

I noticed that even using cap iw with tech synergies and pietrification buff on doom, hia special are unblockable.
any reason?

Comments

This is video from Hector.
watch from 4:17

Hes bugged. There's a thread in the bug forum

Hes bugged. There's a thread in the bug forum

Do u have a link, please?