Many are following the path of Andrew Fuller's universal sufficiency through their duty-faith universalism. Duty-faith is a form of Hypothetical Universalism
John Foreman took careful notice of this,
Salvation as universal as the spread of the gospel... if all men had but done their duty
"If duty faith were a truth, it must have some meaning with God in regard to salvation; and such a meaning too, as that if it were the universal duty of all men, wherever the gospel comes, to believe unto salvation, then salvation would be as universal as the spread of the gospel, if all men did but do their duty. And the great reason at last -why salvation is not as universal as the spread of the gospel, will be because all men did not do their duty. And so salvation finally, will not be so extensive as it might have been, if all men had but done their duty; nor so extensive as it ought to have been, if all men ought as their duty to have believed unto salvation; nor so extensive as God himself expected, if, as a duty, he expected all men where the gospel came to believe unto salvation. This brings all the counsels, purposes, covenant settlements, revealed truths, promises, and acts of the grace of God unto salvation, into immediate subjection to, and a waiting for the duty of man; and that too in such a way, as that the duty of man, and not the good pleasure of God's will, shall and must determine the final issue of the whole! I can make nothing more or less than this, of the duty of all, where the gospel comes, to believe unto salvation." -John Foreman
It is to say, "that Christ hath wrought no redemption at all"
"We are not opposed to a large redemption, but to the notion of any being lost whom Christ hath redeemed; and to that of his having done any part of his saving work for those who will be lost. In my opinion, it is as far off from the truth of God, and as awfully opposed to the truth of God, to say that Christ, who is the God-Man mediator of the better covenant, hath wrought out a universal redemption, but which will prove all in vain, perish, and come to nothing, from certain causes in man, as far as salvation fails to be universal, as it is to say, `that Christ hath wrought no redemption at all, and that he only lived a good and holy life, and died a martyr, to set us an example, that by following the same we may go to heaven by a good moral life.' Both these notions are alike opposed to the truth of God, only one holds that he hath done the greatest and most glorious of all his works, to a vast extent in vain; and the other holds that he hath done no such work at all. Both these are strongholds of Satan, but the first in the present day commands the popular piety." -John Foreman
