How to beat pawn pushers

Pawn moves are no developing moves.
If they push pawns, then they fall behind in development and you can capitalise on that.
Each pawn move creates weaknesses. You can strike back at those weaknesses.
Here is a game that shows how to punish pawn pushers for their overextended position.
https://www.chessgames.com/perl/chessgame?gid=1008397