Different card counting techniques significantly influence gameplay decisions by varying the level of precision and complexity in tracking cards. More basic methods, like the Hi-Lo system, allow players to make quick decisions based on a simple count, promoting a straightforward approach to betting and strategy adjustments. In contrast, advanced techniques, such as the Wong Halves or Omega II, provide deeper insights into the deck's composition, enabling players to make more nuanced decisions regarding hitting, standing, or doubling down.