The same reason Miqobot doesn’t support any other ability from the to do list.
Because level 80 rotations are not implemented yet.
Each ability requires a certain amount of work and we can not implement them all at once. We are working on them one by one, slowly improving rotations over time.
Please read the disclaimer in the main beta thread:
Important Note.
This is a very early beta version of the upcoming Combat system.
It offers limited functionality, may contain critical bugs, and is subject to frequest redesign.