@onlmaps from the top comment: "Maybe it should be added that these are not universal controls but that border guards pick out only some individuals to check them."
@onlmaps I crossed from Hungary and Slovakia and back on a bike a few days ago. There was nobody controlling anything. Saw cops hiding under a bridge once though :)
@onlmaps lot of replies to this talking about the situation as a snapshot in time.
What's sad is the loss of momentum after several decades of feeling like freedom of movement around Schengen and Europe generally was improving