Yes. That was also discussed in Carter. One of the aspects is ensuring that a patient who receives MAID or at least seeks MAID has the benefit of informed consent and has information about all available options. In Carter, the trial judge said that the range of treatment options described would have to encompass all reasonable palliative care interventions in order for that informed consent standard to be met.
The trial judge in that case required that the plaintiff be referred to a physician with palliative care expertise for a palliative care consultation before proceeding with MAID. That was something that the trial judge wanted the treating physician to certify.
That's also reflected in the preamble to the Framework on Palliative Care in Canada Act, which states:
a request for physician-assisted death cannot be truly voluntary if the option of proper palliative care is not available to alleviate a person’s suffering
That refers to the final report of the external panel on options for a legislative response to Carter. Certainly the case law suggests and, in fact, affirms that information and access to palliative care are important for there to be informed consent for patients seeking MAID.