Not really... The nervousness, stress and tension created by having to pull a block from a nearly toppling tower is pretty integral to the ambiance of the game. You'd effectively eliminate the whole purpose of the game, if you got rid of that.
Although, thinking about it, you could probably replace it with a similar type of "remove (or add) bits until you crash" sort of game -- Ker-Plunk, Topple and Don't Spill the Beans come to mind -- that takes a little less motor skill and a little more luck to play.
You can see this in Asmor's comment that a 10% chance of surviving 20 pulls seems high to him.
The amount of restraint I am showing right now to not comment on this line further is staggering...
I strongly disagree with what I understand to be Janx's approach. Partly because of my professional background, I tend to think about disabilities in terms of trying to find reasonable accommodations. Sure, sometimes there isn't a reasonable accommodation available. But disabilities cause lots of problems for people with them as a matter of course. In our play, we should be striving to reduce those problems, not being blase about creating more ones.
I'm not entirely sure what jaer's objection is...
There are some activities that people with disabilities just can't participate in.