Russia's approach has historically always been zerg rushing - they view both people and military tech as disposable, so it has to be extremely cheap, but it doesn't matter if the accuracy loses out.
The US, NATO in general, and especially Israel, are the other end of the spectrum: they prefer expensive, but powerful and very accurate weapons (and in the case of vehicles, prioritize survivability). For Western countries, wars are unpopular so they want to keep the fatality rate low, and Israel doesn't have that many people in the first place so their Merkava tank designs focus survivability even more.
The US, NATO in general, and especially Israel, are the other end of the spectrum: they prefer expensive, but powerful and very accurate weapons (and in the case of vehicles, prioritize survivability). For Western countries, wars are unpopular so they want to keep the fatality rate low, and Israel doesn't have that many people in the first place so their Merkava tank designs focus survivability even more.