

If you can. Medical devices are particularly nasty: there may be only one or two brands on the market that do what you need, because such devices understandably require extensive certification. If the only available option requires an app, you’re stuck. If you need something that meets other legal or professional certification requirements, you might also have very limited options.
For just about anything else, I agree that there’s probably some alternative to an app-locked device, although some level of convenience tradeoff may be necessary.
Taking the position himself would rob him of a layer of insulation from public opinion. He’ll find himself another rubber stamp, if he can find someone who’s sufficiently stupid, greedy, and/or desperate to take the job (and there always is someone). We should start a betting pool on how long that person is going to last before taking the fall for Musk.