Basic Income has been a hot topic in Germany for years, and while it is radical, I still think it's worth a try. It completely shifts the labor market, and has the potential to raise average life quality tremendously.
As soon as aggressions between die Linke and SPD fade away, I can easily see this as an realistic way to take.
While this clearly is just anecdotal, it might explain the bigger pattern why the Party had more success 3 years ago while it was clearly economically liberal, and while it is stagnating today where it is clearly turning more and more to the left. Younger Germans, who initially grew the Pirates, neither wished nor need yet another leftist utopia lying to voters about things they cant finance.
(I personally think that people should be allowed to act in that way - but the reality is that it made them very easy targets for journalists who wanted to paint a negative impression of the party.)