It's always sad when life is lost and much worse when you witness it or lose a good friend or family member.
With ex-military a/c, it may help to remember that they were usually operated from long runways with arrester gear and/or long stopways well away from habitation and public roads.
Along with many PPrune members, I'd love to have my own L39, but the public can get seriously worked up over minority hobbies if they get killed when things go wrong.
Ever wonder why there's next to no American ex-military jets flying, but lots from the Eastern Blok? After a private F86 crashed into a restaurant in California, the US military refused to sell to private owners and required the same of export jet customers.