Firstly, Crocodile's Tail is extremely strong, if we had a Crocodilelike Tail, we may accidently make an entire building fall down!
Secondly, Crocodile's Tail is extremely heavy, if we had a Crocodilelike Tail, we may need the entire family to carry it for us!
Thirdly, if we had a Crocodilelike Tail, some people may not be able to control their tail, a lot of destruction may take place!
Lastly, if we had a Crocodilelike Tail, a lot of people may need to visit the doctor because of us!