It’s definitely easy to poke holes in the logic and suspend disbelief for so long. At the end of the day it’s an idea that if all basic human needs are taken care of then what would we do?

The replicator is also the trash collector and dish washer. When you’re done with your food you just put the left overs back into the replicator and when you “relieve yourself” it goes back into the replicator. Want new furniture? Replicator. Want new clothes? Replicator. So on so forth.

The only thing that is in short supply is energy, so there have been occasional mention of energy rations or credits that can be traded for services. There are still some resource limitations and you have to work or be productive and contributing member of society to gain access. But if you wish to sit around until you get bed sores then you can do that, you will probably be ignored and be an outsider and get visits from healthcare workers.