If it can happen in the USA, and now today in Brazil, attempted coups can happen anywhere.
The far-right are extremely powerful, wealthy and committed to remaking the world in their rigid hierarchical and social structures.
One day those institutions you've been told are powerful to stop a coup may just not be any longer, if from the numbers or weakened from within.
And as capitalism continues to collapse in, the wealthy might even make sure it's successful to protect their status.