There was hope in the last government but in addition to the greens the coalition also contained the liberal party FDP in control of finances and they manipulated the government from within by blocking everything good the rest of the government wanted to do. Their plan to make the greens unliked ended in their own party becoming irrelevant for the future. Also a lot of supposedly Islamic terrorism happened very frequently in the run-up to the election after the government broke apart and shifted the political climate further and further right.

Now after the election put the conservative party in power, the supposedly Islamic terrorism just stopped and nothing happened since 🤔

Couple that with Axel Springer press rags doing hard propaganda against left and green parties and you see why the greens had a hard time