Anyone in such a role where they will be fitting ventilators to people (i.e., highly educated, experienced and employed in a critical care role) will understand that this is outside of standard practice and that extra caution will need to be taken and considerations made for the different functionality and behaviour of the machine.
Can't we just appreciate the spirit of inventiveness in a crisis, without having to spoil it by fretting about issues that any grown adult working with this stuff will be fully capable of considering?