Yuuuuup. Regardless of what Charlie's eventual declared gender identity is, Charlie is growing up with safe adults who respect Charlie's personhood and self-expression. Super important and great for Charlie's mental health!

Relatives who are creeped out by toddler color preferences should go deal with their own feelings like adults (and maybe look into why a toddler's clothes push panic buttons for them, because SOMEONE has a "rudimentary understanding of gender" here but it's not Charlie), rather than trying to do permanent emotional damage to a little kid* to make themselves more comfortable.

*Because wow, do kids internalize "adults in my family think I'm bad/wrong/disgusting" fast. Which Abby seems to actually know! Somewhat less clueless than her usual.