It is, and there's evidence that has happened in the US. The Pinkertons have been busting unions for over a century - they have pretty much explored the full r

It is, and there's evidence that has happened in the US. The Pinkertons have been busting unions for over a century - they have pretty much explored the full range of options for worker suppression available to capital. False flags can be a powerful tool (but becoming less so, as surveillance makes deniability harder).