Slow can be good.
Another reason for flying slow (not hover taxi) is that if you get caught in turbulance, if aren't going to hit VNE. Remember VNE changes in turbulance, I'm not talking 120 - 156Kts normal VNE, I'm talking whatever the turbulance limit is for that machine. That will change with DA, AUW...
If you come in too quick, the winds is a bitch and you decide to point the nose down the hill and get out, you don't want to be going too quick.
Another thing is that you need time to assess what is happening.