The main reason for the absence of medical evacuation is simple and gruesome: The fighting is just too intense.
It can take a day or even two for soldiers to get in and out of the fiercest fighting spots – killing any hopes of medics coming to save the wounded.
Left alone at the positions, the soldiers often have to pull out their comrades on their own under heavy shelling, sometimes walking five to seven kilometers to the nearest evacuation points, where vehicles take them to makeshift hospitals.
When soldiers carry their wounded out, the group is easy to spot – and it immediately becomes easy prey to Russian first-person view (FPV) drones and artillery.
Aside from your three paragraphs of ad hominems you forgot to include the part where you disprove that the we used Ukrainians as cannon fodder.
There were peace talks around 2022 and America and the UK told Ukraine to deny the negotiations because “we 100% got them fam no cap on a stack”
Then we gave them our stockpile of old mortars while sending F35’s to israel. And after depleting that we’re now abandoning Ukraine.