It's also a question of methods; a giant company simply ignoring an unjust law is typically a pretty poor way to challenge it (as always, there are exceptions). To the extent that Australia is claiming that Musk sees himself as above the law, that's a pretty accurate charge, that holds whether the particular law in question is just or not.
Shorter version: fuck Musk, and also fuck countries claiming they can order takedowns beyond their borders. Both can be true at once.
It's absolutely better than the alternative, but I always feel like that kind of support comes with a caveat or implicit limit. Even in that ad, the narrator still argues for "parent's rights" as an alternative to "big government," rather than emphasizing his parental responsibilities.
I am 100% and unreservedly glad, though, to see that the organization itself is founded by a trans woman (https://www.lib.ncsu.edu/news/main-news/alaina-and-kathy-brennan-kupec-endow-transgender-positive-collection).