If this may help making a positive decision for supporting a teamviewer *client* on a Raspi, I'd like to mention, that the Raspi is an ideal tool to keep clean and separated environments. You can easily spend one SD-card for a raspbian, which you use only for teamviewer. You may spend another SD-card for doing online banking only. And so on. So you have physical "sandboxes", which are much more reliable than software sandboxes like browser's sandboxes.
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