Anti-Roll Bars. A Good or Bad Thing?

Anti-roll bars restrict roll which improves grip. Also, you use them to balance the car for understeer/oversteer. Are anti-roll bars a "good or a bad thing" for race cars? 

Effect of an anti-roll bar on vehicle body roll

Rear Anti-Sway Bar Basics: What It Is and Why You Need It

Facts on Anti Roll Bars (Sway Bars) - Suspension - Wheels-InMotion

anti-roll bar definition - RC Car Glossary

Anti-Roll Bars – Suspension Secrets

The Correct Way to Install Adjustable End Links - NASA Speed News Magazine

What is an anti-roll bar and how does it work?, Articles

Bad sway bar bushings? Dodge Challenger Forum

Grannas Racing - The ultimate anti-roll bar! Another

Anti-roll bar - Wikipedia