The problem you're missing is they're trying to find an alternative, aka Italy is willing to shoulder this problem and take it upon themselves, but Britain declines. The broken part is the continuum of care. It is common practice to comprehensively treat acute conditions and transfer patients through rehabilitation processes and the like so that additional acute hospital admissions do not happen. This ends up
cutting costs long-term and doctors know this. Additionally, they took an oath, as is required for all doctors to take, to willingly do no harm. But where the ethical part plays, is that besides violating that oath, administration would have passed down the order to take the child off life support for doctors to pull the plug without consulting or getting the consent of the parents.