>>64181362
>be able to engage tanks by striking their roof armor
Drones, top attack munitions, and aircraft can already do this while being infinitely cheaper, safer, easier.
>bypass barriers such as rivers, ditches, dragon's teeth, and tank traps that tanks cannot
Those aren't problems normal militaries are incapable of overcoming.
>with the added benefit of civilian applications like construction, reducing costs through a civilian market unlike tanks?
Modern tanks like Abrams and T-72s aren't really used for civilian shit but older tanks like T-34s, T-54s Leopard 1s, m48s, and m60s have been modified for civilian stuff several times now, like fire fighting for example, pic rel.