IMHO, the anti-sway control is every bit as necessary as the WDH. One good blast from a passing tractor-trailer will convince you of that.
2003 Ford F-350 V-10 Crew Cab 4WD Long Bed
2004 Jayco Designer Medallion 29 RLTS 5th wheel
Bill, Gayle, and Mindi (dachshund)
Retired at last !
Nothing is foolproof to a sufficiently talented fool.