Are we allowed to whisper about the transition to President Harris?

“This is not about the legitimacy of Biden's presidency. The voters elected him and Vice President-elect Harris, and they have a right to govern our nation as they see best. Rather, this is about the need to talk openly about the possibility of another political transition once a senior citizen takes over the Oval Office.”

https://thehill.com/opinion/white-house/532213-are-we-allowed-to-whisper-about-the-transition-to-president-harris