Since February 2022, Ukraine has relied heavily on Western aid to resist the Russian invasion, including the use of U.S.-supplied M1 Abrams tanks. Despite its reputation as a reliable main battle tank, the Abrams has suffered heavy losses on Ukrainian soil, with up to 20 out of 31 tanks reportedly d...
Seriously though I don't know why they thought a few dozen Abrams would do anything. The US deployed over 2,000 tanks during Desert Storm and that was basically a skirmish compared to what's going on in Ukraine.
My theory is that the NATO MIC is treating the war like a lab experiment. They give Ukraine a handful of export versions of all sorts of different hardware, then see how the Russian military takes them out for their own R&D purposes.
IIRC there were reports done about that happening in the Middle East. Various NATO countries were testing weapons against whoever was in the way. I think one of the studies done was on the effects of depleted uranium ammunition.