What is the difference between the DEWALT Pilot Point cobalt alloy steel and the Industrial cobalt alloy steel Drill Bits?

At first glance, the main difference is the amount of cobalt used in the manufacture of the drill bits, but there's more. 

Pilot Point cobalt alloy steel Industrial cobalt alloy steel

5% cobalt alloy steel

- Great Performance in Hand Drilling
Standard Heat Treat
- Great Performance in Hand Drilling
Pilot Point
- Great Performance in Hand Drilling
Not recommended for Drill Press
Can not be re-sharpened

Industrial cobalt alloy steel
8% cobalt alloy steel

- Better wear properties
New Heat Treat Temps
- Extended Life in Drill Press & Hand Drill
Split Point
- Best Performance in Drill Press
- Can be re-sharpened