

The open hatch almost definitely lead to the kill. You can overpressure loaded or stored shells with less than the .62kg explosive charge in the bomb. There’s a small chance though that it penetrated; T90a’s turret top armor has at most 200mm of armor, of which 90mm is steel; PTAB have been known to penetrate 90mm of steel and the rest of the armor composite does not resist HEAT rounds.
If you want I can scientifically prove capitalism is the source of the majority of bad things currently happening in capitalist society; but lets be honest you just really don’t understand the word capitalism if you’re defending it.