As far as the linked article says, at least some, if not all, of them were already found at similar blockades, some were also already judged guilty and fined:

As far as the linked article says, at least some, if not all, of them were already found at similar blockades, some were also already judged guilty and fined: https://www.zeit.de/gesellschaft/zeitgeschehen/2023-09/letzte-generation-bayern-praeventivhaft-gewahrsam https://www.zeit.de/gesellschaft/zeitgeschehen/2023-09/letzt... > Zehn von ihnen waren laut Münchner Polizei während einer Blockade am Freitag in Gewahrsam genommen worden. Also, courts seem to perform some checks, there are reported cases where even repeat offenders were let go: https://www.br.de/nachrichten/bayern/vorbeugender-freiheitsentzug-fuer-klimaaktivisten-gerechtfertigt,TMWZDMu https://www.br.de/nachrichten/bayern/vorbeugender-freiheitse... > So entschied zum Beispiel das Landgericht Landshut, dass ein rund sechstägiger Präventiv-Freiheitsentzug für Klima-Aktivisten unzulässig sei, die sich 2021 auf Autobahnbrücken rund um die Internationale Automobilausstellung (IAA) in München ein paar Meter abgeseilt hatten, worauf die Polizei den Verkehr stoppte. Kernargument: Eine Wiederholungsgefahr sei nicht hinreichend erkennbar. And there are several records of perpetrators announcing followup crimes right after having been judged. Some were even committing their next crime within a few hours: https://www.merkur.de/deutschland/kleber-aktivisten-letzte-generation-gefaengnis-strafe-haft-monatelang-rekordstrafe-klima-92217695.html https://www.merkur.de/deutschland/kleber-aktivisten-letzte-g...