There is also one woman [1] who for whatever reason chooses to live homeless with bunch of luggage. She doesn't drink at all, and keeps moving from town to town with all her luggage, by walking.
Here's also a discussion about the Roma beggars you see in Helsinki streets. [2]
1: https://shl.fi/wp-content/uploads/2012/09/IMG_2935.jpg
2: https://www.reddit.com/r/Finland/comments/79mqjs/question_ab...
While giving people who can't afford the food or housing, the food and housing mainly has upsides. It also has problem of artificially inflating housing and rent prices. Especially in the capital where most career opportunities are. (Helsinki is very expensive place to live)