I think most of infantry versus armor combat boils down to dudes shooting off missiles and then immediately getting turned into paste...Some of the Russian tanks have anti Javelin shields.
But overall if the Javelin is imployed by some people with guts it's a game changer.
Russian Tanks Massing Near Ukraine Sport Mods Against Drones, Javelin Missiles
As Russian ground forces massing near Ukraine raise fears of a new invasion, social media imagery reveal Russian tanks sporting field modifications seemingly aimed at fending off Ukraine’s Javelin anti-tank missiles and Bayraktar drones. Both pose a threat to the thin top armor of armored vehicles.www.forbes.com