I am not talking about equipment. I am talking about the terrain. Most of the border lands are horrible for operations by mobile forces. Except for the area near the Gulf of Finland there are few roads, dense forests, thousands of lakes, bogs, swamps, and boulders. Then in the far north there is barren perma-frosted tundra.
You are fighting last century’s war. Ever hear of missiles, helicopters, air assault, fighters and bombers? You are also completely wrong to think modern armor can’t negotiate most of the Finnish border. According to you there is no reason for Finland to be in NATO. They can’t be attacked! When the Finnish theater became a minor sideshow for Russia in 1944, the Finns capitulated. That was when they had the aid of their current NATO partner, Germany, sustaining them. I’m done wasting my time on your silliness.