…of NATO’s European members, especially its central and western European members, shying away from honoring their commitments to NATO—and to their mutual defense generally.

When France wanted to send Leclerc tanks to bolster the defenses of NATO ally Romania in September, fellow alliance member Germany opposed trucking them across its highways. The problem wasn’t peace protesters or political opposition. It was the heavy French tank-transporters.
The flatbeds’ weight on each axle exceeded the legal limits for most German roads, said government authorities, who proposed a route that Paris deemed unacceptable. Instead, France sent the tanks by rail, delaying the shipment.

And

The EU invests billions of euros annually in transportation infrastructure, but has rarely made military mobility a concern.

And

Retired General [ex-CG United States Army Europe, Ben] Hodges says national regulations remain too onerous and governments aren’t sufficiently focused on the problems. “Until I see money being applied to it and real changes, we’re not going to get this fixed,” he said.

Logistics is where wars are won or lost. Neither the combat skills and courage of the soldiers, nor their equipment or technological advantages, matter if they can’t be supplied and resupplied. Even those central and western European government men and women understand that.

They just don’t care.