When I searched for the engine nacelles issue, that appears to only apply to an earlier version (737 NG) of the 737, not the MAX.
Which kinda proves my point - someone saying "I don't want to fly on a 737 MAX" may just get put on another plane that has different issues. I guess if you've completely lost faith in Boeing you can decide not to fly any of their planes, but that's going to make flying at all very difficult. And if you decide to drive instead you'd just be taking a more dangerous mode of transportation.
Any of the newly engined Max models are involved, even the Max 8 and 9. The problem with the de-icing mechanism was only found _after_ the 8 and 9 were certified so they've been allowed to continue flying with the "pilot fix" in place (this is ludicrous btw).
The Max 7 is being blocked currently because it hasn't been certified yet.
Which kinda proves my point - someone saying "I don't want to fly on a 737 MAX" may just get put on another plane that has different issues. I guess if you've completely lost faith in Boeing you can decide not to fly any of their planes, but that's going to make flying at all very difficult. And if you decide to drive instead you'd just be taking a more dangerous mode of transportation.