LOL. It is probably my explanation. The statements are all uniformly true. God has selected some for rescue. Their behavior, their characters, their natures do not affect His decision. Notice, Romans 9:11ff, "...Yet, before the twins were born or had done anything good or bad - in order that God's purpose in election might stand, not by works but by Him who calls - she (Rebecca) was told, "The older will serve the younger." just as it is written, "Jacob I loved, Esau I hated."....So then, it does not depend on the man who chooses or the man who exerts effort, but on God's mercy...Therefore God has mercy on whom He wants to have mercy, and He hardens whom He wants to harden."
The selection for salvation is entirely in God's hands and He does not select based upon works of any sort. If that is settled, then Paul is entirely right to make the follow on statement. Once a man is rescued (again, not based on anything he has done, thought, wanted previously, etc.), God has set out things which He has appointed for him to do...good things. But, do rescued men always do them? No. David, Moses, Solomon, Paul, Peter, et al to a man did awful things after they were rescued.
Men, men chosen by God for salvation, simply do not always do those things which are appropriate. If this is what HH is getting at, then he is right. If he is saying, men who are rescued will love to murder, rape, steal, and call it good...then he is mistaken. There is a fine line between doing the evil and loving to do the evil. One sees their evil and hates it. The other sees the evil and wallows in it.
But, definitely, Praeger (as a Jew who believes the Law is teaching him how to be "good") would disagree with this. He mistakenly thinks the Mosaic Law is for training purposes to make men fit for heaven. He thinks that the Judge will weigh the lives of men and save those "worthy of life". This is, according to Paul, (Rom. 3) a misunderstanding and misuse of the Law. Does that help?
There is a fine line between doing the evil and loving to do the evil. One sees their evil and hates it. The other sees the evil and wallows in it.
Romans 7
4 For we know that the law is spiritual: but I am carnal, sold under sin.
15 For that which I do I allow not: for what I would, that do I not; but what I hate, that do I.
Predestination would completely eliminate all of that. It would make God arbitrary and capricious and the rest of scripture does not bear that out! Anyway, now I see where you are coming from so I shan't disturb you with further questions unless you desire them. May God bless and keep you...