Would I pay for that through taxes? You bet.

(I'm a proponent of guaranteed minimum income even for people who want to drink beer and watch tv all day. I really don't care what people do with their money.)

However the topic is unemployment, which is designed for those are choose to make more than the minimum income to keep a good income (not as good as before, but perhaps better than minimum). This is a different discussion with different pros and cons.

In EU countries, unemployment is not necessarily linked to the size of the salary you were making before. And actually, unemployment can be very limiting in many countries and a basic income would be preferable. The reason for that is that with unemployment, you immediately lose your benefits if you pick up any work, even if the work is low-paying or it’s not certain you’ll be able to stay with it long. UBI, on the other hand, is intended to be something you always keep regardless of what else you try to do to make some money. When the UBI trial was launched in Finland, several of the people involved (longtime unemployment recipients) said they were keen to start their own business or take on unusual forms of employment because there was no longer a risk in doing so.

It's hard to go back in time and do that experiment, but I'd say with certainty that some stress and pressure leads to a net gain in the long run. Clearly in the short run that's not the case.