Not of the eternal fate of others, but certainly of their behavior in our midst:
John 7:24 Judge not according to the appearance, but judge righteous judgment.
1 Cor 6:9 Know ye not that the unrighteous shall not inherit the kingdom of God? Be not deceived: neither fornicators, nor idolaters, nor adulterers, nor effeminate, nor abusers of themselves with mankind, 10 Nor thieves, nor covetous, nor drunkards, nor revilers, nor extortioners, shall inherit the kingdom of God.
Ephesians 5:11 - And have no fellowship with the unfruitful works of darkness, but rather reprove [them].
Colossians 3:5 - Mortify therefore your members which are upon the earth; fornication, uncleanness, inordinate affection, evil concupiscence, and covetousness, which is idolatry...
Colossians 2:8 - Beware lest any man spoil you through philosophy and vain deceit, after the tradition of men, after the rudiments of the world, and not after Christ.
We should try to keep a distinction between Caesar’s world and the kingdom of God. The latter will enforce higher standards than the former, and should be expected to.
Nonetheless, it is a shock to see the US lose so many virtues that had been formerly pumped into it by its gospel roots.
My answer to such questions is to keep urging the gospel to individual souls. The “GOP” can’t go to hell or heaven. You or I can.