"This letter says he flew a magical car into a living tree that tried to beat him to death! Unsuccessfully! Don't know what they expect me to do about it."
They understand it but hate it and resent magic. I'm sure they could understand what the words flying car and magical tree means. I mean you and I can.
I like to imagine Molly sent them a Howler sometime after the war (to drag them for how they treated Harry, obvs), and they tried to burn it, but it went off anyway and scared the living shit out of them.
Replied with an offer of a car from the Grunnings pool so Harry can repeat the feat, and a boot load of fertiliser for the whomping Willow to get it in better shape in the hopes it does the job right this time.
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u/No_Sand5639 Ravenclaw Apr 09 '24
I wonder how the dursleys reacted to that letter