Junior school has new uniform policy from Sept - Don't agree with reasons, is there any point objecting?

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The school colour is an unusual one (very so I won't mention it), but atm the uniform is Grey trousers/skirt, white shirt or polo shirt, sweatshirt in school colour (purchased from school with school emblem) or grey sweat shirt. School also sells grey fleeces, with school badge and optional ties, which very few children wear.

So atm, uniform can be purchased cheaply pretty much anywhere, although many children have 1-2 items with the badge. Also practical and easy on the laundry.

It's a very ordinary school in a non-affluent area. Existing uniform is strictly enforced and I'm all in favour of that.

Recently appointed "executive head" (2 days per week - other 3 days at a school in posh area) has decided the children need smartening up, so from Sept uniform will be:

Grey skirt trousers
White "proper shirt"
Compulsory tie
Compulsory weird colour sweatshirt or grey fleece with badge (will have to be bought from school)

Apart from the cost issue, as now no getting it all in Asda or similar, my concerns are:

Do kids with greying "proper" shirts all untucked look any better than an untucked polo shirt?

Are ties safe in the playground? If you can't wear a necklace on safety grounds....?

I will have 15 shirts a week to iron

I've just moved my DSs from a V neck logo'ed blue pullover, white shirt and stripy tie junior school to a yellow polo and blue zip up fleece primary school.

The former looked about 1000% smarter than the latter! Amusingly, when for half a term I had one in one school and one in the other (space issues), a few mums at the new school asked me which Prep the tie'd one went to!

White polos go grey and all polos become as wide as they're long after a year. The fleeces pill and go baggy.

Our polo shirts are not that bad after a year, 2 in some cases, it's important to do them in a whites only wash (assuming your uniform is white polo shirts). One or two went a little grey when dh put a few non-white items in too. None of our polo shirts have gone wide (mix of Tesco, Sainsbury, M & S and a couple of uniform shop logo'd shirts)
A couple of our sweatshirts only went baggy when put on too hot a wash, the label says wash at 40 degrees, which was entirely my fault but they haven't pilled or bobbled noticably.

Feeling quite smug here at my laundry skills in keeping pfb's uniform in a good enough state to be worn by nsc (neglected second/subsequant child) in time .