Indeed they can. Most of them don't end up in the national news wearing a fecking t-shirt proclaiming it, though.
And wrt the trans aspect: even social transition in a non-famous, unknown family has been cited, by experts, as a serious intervention which can lock children into a trans identity because everyone around them, especially trusted adults, is telling them that's what they are.
Adding newspapers, TV and social media into the mix? Unbelievably irresponsible and stupid IMO.