The stealth mechanics in Ghost of Tsushima are quite engaging and integrate well with the environment. You can use tall grass to hide, and the game's attention to detail lets you move silently, which is essential when you're trying to sneak past groups of enemies. The wind direction is also a clever mechanic, it guides you to objectives and highlights the environmental elements you can use to your advantage, like creating distractions with fire or throwing objects.
One effective strategy is to take out enemies from a distance with your bow, especially when combined with the "Ghost" skill tree powers that enhance your stealth abilities. If you're looking to remain undetected, try moving around the peripheries of enemy camps and utilizing rooftops when possible. Have you tried any particular techniques that worked well for you?