In order to deal with sam4321’s issue, I propose the following:
Let’s create a new minhag that we all switch several times a year. How about every time they change the clock? Just like we are supposed to change the batteries in our smoke detectors, we will all change which hand we use to take off tefillin.
We can even make a mishaberach in shul the week before for all those that will participate, and then we can make a kiddush afterwards.
The only question that I have is, will we say tachanun on “switching day”?