Huh? What has literalism to do with ignoring? It has to do with interpretation. The nasty parts are not ignored, they are kept.
As to your link, in your first example you are severely misinterpreting that part of the Bible. You should reread the whole chapter and not pick one section and misinterpret it. If you want me to explain, I will.
eat the children of your enemies Deuteronomy 28 53 Because of the suffering that your enemy will inflict on you during the siege, you will eat the fruit of the womb, the flesh of the sons and daughters the Lord your God has given you. 57 the afterbirth from her womb and the children she bears. For she intends to eat them secretly during the siege and in the distress that your enemy will inflict on you in your cities.
There are a lot of things in our contempory society and (recent) history that aren't so nice -- the Holocaust, government-protected abortion-for-profit, the lies told to persuade the naive to allow themselves to be degragraded, the torments the strong inflict on the weak.
If you believe Jesus to be God and understand what He taught then you will know that God is good. If you don't belived maybe you will doubt.
Just because some (many) of those who profess to believe in Jesus sometimes (often) fail to follow his teachings doesn't mean you shouldn't try.