No to this cuz it will f*ck up everything. Attack speed itself f*cked the game already. And now you want Fighters to have it easier for leveling/grinding? And even if you thought about PvE first, it doesn't matter cuz ppl would use it for PvP. Fighters would just need a stun and you're most likely done.
Forget this. As Iceman wrote, enjoy SSJ with all your skills. Majins and Namekians don't have that option.