Tape Vs Disk Will Putting Clear Tape On A Cracked Video Game Disk Really Fix The Cracked Disk?

Will putting clear tape on a cracked video game disk really fix the cracked disk? - tape vs disk

to do what they say that these videos to really fix a cracked disc vdeo DO?

http://www.youtube.com/watch?v=P1o3oIdFYd8&feature=related

http://www.youtube.com/watch?v=o3x6V6w6I1k&feature=related