Would you sac a knight to prevent castling?
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Essentially you play a move, in the first 10 moves, that provides a threat so great, that the knight must be eliminated(ie a fork between a queen and a rook), and taking it can only be done with the king. Taking it will ruin king safety, prevents castling permanently, and could also ruin pawn structure due to the fact that they have to build around the oddly placed king.
Apr 4, 2020
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#2
King safety tends to be a dynamic (think short term) advantage.
Material is a static (long term) advantage.
What makes chess so interesting is trying to weight one advantage against another when they're so different. In some positions what you describe is very good, and in other positions it's very bad.
During the first 10 moves it's unlikely you'll have a large enough lead in activity to justify sacrificing a knight like that, but it's definitely possible. What matters is that you have a followup that can keep generating threats until you either win back the material or checkmate them.