This is already better than Wakanda Forever.
And war is war and losses happen because it makes for a good story, but to show Wakanda getting slapped around without any serious military push back is ridiculous and it shows that Coogler doesn't know what he's doing nor does he respect the source material or the franchise.
Someone like Antoine Fuqua or F Gary Gray might well do a better job.
And like I mentioned previously a low cost Black Panther cartoon from 2010 on BET of all places showed T'Challa and Wakanda better than Coogler and his 250 million dollar budget movie did.
T'Challa and Shuri took on and defeated the following invaders: Radioactive Man, Black Knight, Juggernaut (!), the USA
, Klaw, and even another rival african country that tried to sneak in. All without losing his mom or sister for some cheap emotional punch to the audience because the director doesn't know what what they're doing.
So it can be done it's just the people in charge don't care.