Well, I haven't seen your videos so I don't know what precise conditions were present but here's my guess.
It depends on how precisely they squeezed the bottle. It's true that if you had a ball of liquid in space on its own then it would remain together (except for slowly evaporating) because of surface tension. But if you let it out of the bottle with non-zero speed then there might be various instabilities and smaller balls can form.
But it all depends on the actual speed the liquid is leaving the bottle and the precise shape of the bottle (or at least its neck). Just consider showering with a hose -- lots of droplets form there.