It’s their 7th launch and they’re still fighting issues with keeping the fuel where it should be. Elon has successfully created a machine that can kill any number of astronauts in sub-orbit and land to do it all over again. How is anyone not getting this? I’ll never forgive him for taking back intellect on space travel to the 1950’s .
Because sending an entire rocket up to collect them would be very expensive, so NASA would prefer to leave them up there until the next routine flight so that they can send other things up and down with them on schedule.
There might also be limited space on the space station to dock a capsule. There are only so many docking ports, and I think they’re often full