As far as pruning, I wouldn't trust any node that does not include the full blockchain. Having a backup saves a lot of time.
FYI, full nodes with pruned blockchain don't just download a specific number of latest blocks by trusting their peers.
It downloads and verifies all the blocks from genesis as it creates its databases.
The difference is only the pruning part after it's done with the old blocks.
So you don't have to trust it since it verifies everything like a full node with non-pruned blockchain.
Here's a reference:
/index.php?topic=5229380.msg53938029#msg53938029Maybe there's another compelling reason why you don't prefer it?