[Floridian]

You mentioned play in the steering. That leads me to recommend a trip to a GOOD shop that inspects and aligns suspension. I would talk to local bus or trucking companys and find out who they use. Tell them that you have play in the steering. If you ask for a DOT inspection they will use a thorough checklist that might uncover other items that you would want repaired for safety ( brakes, lights, air lines etc.) A steering stabilizer (like safe-t-plus) can mask wear and improve the feel. My Dodge has exhibited "death wobble" when the stabilizer was wore out and other steering joints needed attention.
I too, noticed no brake lights on the MH in the video. There are too many unknowns there to determine the actual cause of loss of control. With due respect to the driver he may not have had the "wits" to brake OR steer. In fact if he didn't have his seat belt fastened he could have been on the floor.  Additionally keep good tires that are not out of date and properly inflated and you will greatly minimize the possibility of a tire problem.

That is something I haven't thought about, masking issues with that steering stabilizer, it is a very good point.

It is very true we might never know what happened to the driver in this case.

I'm thinking in changing the tires as they are Dec 2012 so They are due for a change and still looking at TPMS systems that are reliable (or they convinced me as such).

Thanks for your thoughts, they are really welcome.

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In regards to why remove it if it helped a little.   It did not help a little. It didn't change the need to correct, but it did make driving in a crosswind more difficult. manuevering in a campground more difficult, and increased the steering effort.

I am a big fan of fixing what is causing the loose steering instead of putting a device on that masks the issue. That's my .02.

Very good points, I don't want to deal with more effort while parking, that is for sure!

Yeah, it didn't occur to me that a steering stabilizer will mask another issue.

Thanks for your thoughts!