They have been going into "respectability" politics for a while, which caused huge infighting and stagnation inside the party. The Russo-Ukranian war was the last straw and they purged the more radical and anti-west members of Die Linke. Which also included most pro-palestine officials since germany is the birth place of the "AKSHUALLY the tankie putinlovers far left is the true face of antisemitism" since at least like the 70s when the GDR and the RAF became very openly pro-palestine. One of the most infamous german terror attacks were the Munich Olympia Massacre and the Lufthansa kidnapping during the "German Autumn", and what a bizarre coincidence both were motivated by pro-Palestinian feelings/done by Palestinians.