I agree wholeheartedly Bill!
I believe that any biker who does not openly thank a good deed by a fellow motorist is doing the entire biking fraternity a disservice. Everyone loves the warm, fuzzy feeling that comes when their altruistic act is acknowledged, and so by giving that gesture to another driver, the biker can increase the liklihood that they will repeat it, and also that those around who have noted it will follow suit.
One of the greatest boons garnered from having my motorcycle was navigating the motorways around Glasgow on my journey south from Leuchars. Work on a new junction caused gridlock for many months, and I was able to bypass it through filtering.
On one occasion a Rover 75 driver (poor-man's Jag
) noticed my progress, and moved from the outside lane to obstruct me. Fortunately the white van man (I know, of all people!) abeam him had also seen me coming, and also moved left to ease my passage. In one fluid motion I was able to give a missive of thanks to the van driver, and a less complimentary gesture to the car driver, and was gratified to see the van occupants pissing themselves, as were the passengers of the car ahead of the Rover!