Why can't we stop marches glorifying Nazism on EU streets?

The threat of far-right extremism has been an increasing concern over the last years — from the ground gained by conspiracy myths like the "Great Replacement" and QAnon, to the storming of parliaments on both sides of the Atlantic, to the rise to power of far-right parties across Europe and globally and high-profile far-right terror attacks like those in Christchurch, Pittsburgh or