A cat’s whiskers that are too long mean:

The longer a cat’s whiskers are, the wider the cat’s body is. Whisker length is a "tool" for cats to measure their width. When a cat jumps, climbs, or drills a hole, the cat will use its whiskers to determine whether its body is capable of entering. If the owner removes the cat's whiskers for aesthetic reasons, it is actually very unhelpful to the cat. May cause the cat to get stuck when crossing obstacles.

If a cat’s beard is cut, it will cause the following situations:

A cat’s beard is a ruler for action. First of all, it can help the cat maintain balance. The cat will look more energetic when walking. Cutting off the beard is equivalent to taking away the ruler. The cat will lose its center of gravity, causing the cat to walk unsteadily.