This concept that a vote for anyone else is a vote for Trump is clearly silly at best and undemocratic at worse.
No, a voter is entirely within their power to refuse to support #Biden without supporting #Trump either. To say otherwise is to disenfranchise the voter.
#Takei has never been a deep thinker, but we need to call out stuff like this in particular because of how undemocratic it is.
Folks should vote for the candidate they think best, all things considered, without having words put in their mouths like this.