Ex husband expects oldest kid to shower, dress, etc. youngest kid

Kind of a vent kind of a share your opinion if you want.

My ex husband has our kids (14, 10 and 5) every other week. I recently learned via my 14yo that my ex husband believes that she(14yo) should be the one bathing our 5yo and getting her ready for school/the day- hair brushing and styling, dressing, nail clipping, teeth brushing. Personally, I feel like all of this falls into the category of basic parenting- not “older sibling helping out.”

Today one of the kids asked me to drop something off for them at their dad’s house. When I got there they all greeted me and I noticed my 5yo was in the same clothes I put her in on Friday morning before I dropped them all off there! She hadn’t had a shower since then either.

I’d like to say this is the first time this has happened but it’s not.

I am semi neurotic about hygiene stuff so this really really bothers me and makes me want to fire off an email to him telling him to get over himself and bathe his kid and change her clothes everyday and that this isn’t our oldest kids responsibility! I’m not totally nutty am I?