The devils are subjected to Christ, but He didnt tasted death for them. The angels that sinned are subject to Him, but He didnt come to taste death for angels Heb 2:16
16 For verily he took not on him the nature of angels; but he took on him the seed of Abraham.
He tasted death for only a segment of mankind, the seed of Abraham, not all mankind.
And I hope you not here promoting universalism, take that somewhere else if you are.
Christ's death redeems/reconciles all things, including evil angels, Satan, etc., in the heavenly places, as stated in these two texts:
Col 1:16 because
in him were the all things created, those in the heavens, and those upon the earth, those visible, and those invisible, whether thrones, whether lordships,
whether principalities, whether authorities;
all things through him, and for him, have been created,
Eph 6:12 because we have not the wrestling with blood and flesh, but
with the principalities, with the authorities, with the world-rulers of the darkness of this age, with the spiritual things of the evil in the heavenly places;
All things in Col 1:16, and further defined in Eph 6:12, were created
in, through and for Christ but were also reconciled to God through Christ's death:
Col 1:20 and through him to
reconcile the all things to himself—having made peace through the blood of his cross—through him, whether the things upon the earth, whether the things in the heavens.
We just don't see all these things (such as unbelievers, evil angels, etc.) being
subjected to him, as yet:
Heb 2:8 all things Thou didst put in subjection under his feet,' for in the subjecting to him the all things, nothing did He leave to him unsubjected, and now
not yet do we see the all things subjected to him,
And Calvinism, as well as you, are wrong to deny what scripture clearly states.
Regarding Heb 2:16: The Gk. text is: οὐ γὰρ δήπου ἀγγέλων ἐπιλαμβάνεται, ἀλλὰ σπέρματος ᾿Αβραὰμ ἐπιλαμβάνεται.
It simply states that Christ did not come only for angels to lay hold of (as to help angels only, ie: spiritual beings only), but rather Christ was made like the seed of Abraham,
in the flesh, like the brethren, as stated in following verse:
Heb 2:17 wherefore it did behove him
in all things to be made like to the brethren, that he might become a kind and stedfast chief-priest in the things with God, to make propitiation for the sins of the people,
The Heb 2:16 passage doesn't deny any benefits achieved by the death of Christ for angels. It can't. It would need to contradict all the scriptures that speak of the all things, evil angels included, that were reconciled to God in Christ.
For the record: I'm not here to promote universalism, if scripture does that, so be it. I like to promote Christ and the glory of the Gospel to all His creation. I'm surprised you would tell someone to leave for doing that.