Does it mean don't use the word of God (milk meat and honey) condemning the little ones just learning the word of Christ to the point. The child rejects even hearing about God?
One of several Jewish interpretations of this verse may be found here: http://thetorah.com/meat-and-milk-origins-in-the-text/
The one that appeals to me is that it was misinterpreted and originally meant that you should not wait until a young goat has been weaned before bringing it for sacrifice of first fruits.
Another idea with no evidential support is that it is forbidding a pagan practice common at that time.
It means that we should avoid, or minimizing, eating milk that has continuously been boiled, because when it is being boiled for a long time, which it is when meat is being cooked in it, it becomes concentrated due to water evaporation.
Milk contains a relatively big percentage of saturated fat, which is unhealthy to drink/eat too much of. Skim milk, and small quantities of semi skimmed milk is a lot healthier than creamy full-fat milk, etc.
The Bible warns against eating animal fat.
Lev 7:23 (NIV) “Say to the Israelites: ‘Do not eat any of the fat of cattle, sheep or goats"