Or at least the chance to, I rather have something than nothing at all, Yoda, Mace and Obi Wan all achieved this in the prequel trilogy. It's also known that even Satele Shan used these abilities in the Hope trailer against Darth Malgus as she was absorbing his lightsaber beam with her bare hands.
Yoda and Satele used
which would be good for Shadow/Assassin tanks
Obi Wan and Mace used
lightsabers to deflect and absorb force based attacks such as force lightning, Obi Wan used it against Count Dooku in Attack of the Clones while Mace Windu used it against Palpatine in Revenge of the Sith.
which would be good for Guardian/Juggernaut tanks
I just think when we get the new level cap increase, we could use some new abilities such as these