It can still be handy to keep some disposables nearby, once in a while I go to use a rechargable only to find its dead or dies sooner than expected and I dont have any charged spares. But I still rely on rechargeables for regular usage and usually have a buffer.
This is a better deal in my opinion... Spend £10 for free delviery https://www.hotukdeals.com/deals/further-battery-reductions-in-closing-down-sale-maplin-2929190#comment-33675820
You're right, they are a bit rubbish.
Still got the 40AA +20AAA packs for £4.50 at Maplin. For some strange reason these are listed under AAA on the site.