The Russians are completely wrong for invading Ukraine, and are the aggressors which makes it blatant. Not up for argument. But as far as strategy goes.
It seems they’re doing, a slow grind to keep casualty rates low, after the L around Kiev. From the sources I’ve checked, their main focus in the Izyum area is probably Slaviansk. I believe they will succeed there, the terrain is right for them. Artillery and firepower is on the Russian side. The Ukrainians could fall back to better defenses, if they want to play the long game. I believe if they hold out, in this medium intensity offensive (so far) the artillery threat is too much. I don’t think our shipments of MLRS, and M777 is gonna do much yet, the precision those weaponry bring is amazing but they will be exposed to counter battery fire, and airstrikes. I still think they’re going to hurt the Russians with it. In the Izyum area, the Ukrainians are probably better off with infantry in trenches, dug outs, with ATGMs, using artillery to push back infantry. Those Javelins should help, Stugnas, NLAWs. I’ve been seeing footage, from Russian forces during night engagements, since some of their forces have thermal sensors, they seem to be doing successful probes at night too. Either way, these are small gains. Ukraine can definitely bleed them out in a long war. Plus I just read they pushed the Russians back in the Kharkiv area, a good sign.