It is becoming increasingly apparent that owning a R75 carries the risk of being more than slightly mad. "Covid is no worse than catching the 'flu." "Take hydroxychloroquine." "Not a chance of being vaccinated." Etc etc.
Might I suggest that these people put a sticker on their bumpers "Keep your distance" or "Beware" or "I'm immortal". In the meantime a swift read of
this article from a doctor who's worked for 32 years in acute wards might penetrate - but I doubt it.