They may have been babies for a few weeks, but the rate of growth would have made them as large as or larger than Sherman tanks in the several months they where isolated in there.
I didn’t know there was data available on the rate of brachiosaur growth! Wow! You are a better googler than I!
There’s actually a huge amount of evidence to support a young earth. about a year ago I didn’t think so, but then I actually took the time to research it.