Wanting to attract attention and wanting to be constantly interrupted by law enforcement are not the same thing. This is the "well if she didn't want to be raped, she shouldn't have worn that skirt!" argument, and it doesn't look any better here.
He said that he enjoys it. Why not just let him have fun in his banana car if he wants to? HN commenters seem to be the only people upset about this. He specifically said that he enjoys the banter and photo-ops with the police.
I would advise you not drive a homemade fruit car around your town if you are this terrified of the attention it will bring. He clearly said in the article that he enjoys the encounters. He is doing this on purpose.
Him enjoying the attention doesn't make the actions of the police right or just.
He enjoys the attention, they are abusing their authority, Both things are true.
It's perfectly reasonable to question whether that vehicle is street legal when it passes by on the road. It would be my first thought. It looks like it's mounted on a boat trailer chassis, and the windshield appears to have questionable effectiveness at high speeds. Pulling him over to ask about it seems like they are doing their jobs. Especially when I am also a driver on the same road.