People tend to want to work, really. But to your point, many people can't find work that pays the money they need to survive, so they become depressed. Also, people often lose their jobs.
Disclaimer: I'm stupid broke, live in a van and take a highly-effective antidepressant, so I might have a little authority on this subject. ;)
Depression is terrible (anti-social, self-destructive, painful, etc.) but useful when it's grounded in an existential crisis... it makes people reflect on themselves and think about what else they can do or change.
They're not worries, they're concerns. Also, that resource doesn't list a single successful, large-scale deployment. Finland is considering it. (The US will never, ever have such a fanciful thing because the plutocracy prevents it, even with Bernie 2016.)
And another concern: if people don't earn money themselves, the tendency is to waste, in all regards. This tends to reinforce learned helplessness, even farther away from the brutal reality of life/business/nature.
"And another concern: if people don't earn money themselves, the tendency is to waste, in all regards."
I have not observed the same.
My impression is that the trend is we, people, like to waste when we don't have to pay, but if the money come from our accounts, we start to get careful, independently how the money arrived to our account. People would not like to waste their money even it's from a basic income.
The motive for wasting is that the money-giver might want to see your bank account balance before giving. Not having savings is generally a requirement for receiving welfare after unemployment benefits have run out. It's something basic income would do away with.
There have been several studies/deployments that convince me that your worries are unsubstantial in practice. Really great resource: https://www.reddit.com/r/basicincome/wiki/index#wiki_that.27...