I was really trying to be humorous based on the money comment. But this very much reminds me of my first job in the 80s when I worked with someone super-smart but also on the spectrum. He, amongst other idiosyncrasies, never checked the oil and water in his car....you can guess what happened.He's not the type to get stuff like that done. He has asperger's syndrome. Really smart in some ways, but hopeless in others. He refuses to wash his car. The last time he took a trip I washed and waxed his car, vacuumed the interior, and he said it didn't need washing. When it rains, he is reluctant to use windshield wipers, and when he does, he doesn't use the water to get rid of the smear.
It took him about 15 years to get his driver's license. He's almost 40 and he got his license about 2 years ago. He makes very good money working for the Federal government.