Thanks for the replies.
The tweet I saw didn’t name the rescue , it was from a rescue who said some other one had given the advice to leave abandoned hoglets and see if the mum turned up. As they were lying out in the garden without any obvious nest and clearly unwell , the fact they were left for so long made their chances of survival worse.
It doesn’t seem right that rescues aren’t licensed at all, as others have said they might be doing their best and genuinely want to help but without the knowledge or skill needed, their actions or advice can cause harm.
Personally I only ever contact the Scottish SPCA , they have a wildlife centre and are experts in their field.