Russian strategy has been destruction of Ukrainian army through attrition.
Their strategy was a lightning fast toppling of the government within a week with little to no resistance, such as they saw in Crimea.
Russia is also facing dire manpower issues. With too much drafting from Moscow, Putin’s power is in danger. In fact, Ukraine is betting on these manpower shortages to attrit down to the point where the line becomes untenable. See here: youtu.be/lebWSl49R0cyoutu.be/CqmQPev1Gvg
Gasa is certainly an issue, but with higher artillery production, linked bills, and diverted media attention, it has upsides for Ukraine too. youtu.be/tg7aw3T3nzg