The Cozy MK IV is a homebuilt aircraft, perhaps the owner / pilot had it installed, or perhaps it was done in house. Regardless I’d say this kind of thing is the rule and not an exception for homebuilt aircraft.

Snoozer, a homebuilt plane crashing is surprising only to the most ignorant

The people commenting that they’d expect a pilot to be smarter need only work on a flight line for 1 hour to have their worldview flipped upside down.

I can forgive him for being a deadbeat father and stealing organs from people who actually deserved to live but the guy ruined my favorite type of shirt and that- I can never let go