But linked Changelings, are we sure that their personality is specific to the goo they walked into the link with?
No matter how many babies they eat, their fragile child personalities are still in the link either growing up, or pissed and resentful suffering from an arrested development?
Oh.
Is that why they send their kids away out into space?
Just 100 my cheese grating ass.
Maybe a hundred at a time, but it's the only way that they can have fully formed accentuated distinct personalities to bring growth and evolution to the link.