They could technically add a way to turn radar altimeter off (say game option), and you could turn it off without losing much …
MAW on the other hand, is quite critical and will become even more critical moving forward … You will lose a significant defensive capability by turning it off …
Radar altimeter is honestly currently more of a “cool factor” can’t remember the last time I actually used it … Due to measuring the altitude directly below you it’s not even that useful for avoiding terrain in Gaijin’s fantasy world that sometimes is completely covered by clouds …
Plus, almost all (top tier) planes have radar altimeters, but not all planes have a radar based MAW …
It makes sense when you consider the design philosophy of the missile. The basic idea is that modern IR missiles are almost unavoidable, therefore if one is fired at you then you’re probably dead, at which point you don’t really care whether you kill him or not.
Therefore it is reasoned that the only way to reliably win such an engagement is to kill the enemy before they have a chance to fire their missile. So you need a missile that so fast enough that you can fire it and have it impact the enemy aircraft before the enemy has the chance to fire their own missile in return.
Sure, and that does give it an advantage over Magic II in scenarios that the enemy doesn’t see the missile and doesn’t have MAW
But because of its worse seeker and lack of close range agility, it’s worse than Magic II up close (I.e. it can’t hit shots that Magic II would be able to hit)
But MICA has thrust vectoring and IIR seeker like ASRAAM, so it doesn’t suffer from that problem
In fact, if we are talking up close (point black) there are probably shots that MICA can hit that ASRAAM can’t …