[2020] Hehe I think I solved the real Type 90 armour protection, for real

As you can see by the article you quoted, it does not say its the same as the Leopard 2A4. It states it used a range of sources to come to this conclusion including the 2A4 report.

And no, a screenshot in game comparing the 2A4 and Type 90 in game is not enough. Proper information is needed.