No. Having a 100 million people vaccinated in the U.S. does not start at 0. Then you would have 100 million+ people vaccinated. The projection was made off of the data at the time of the estimate, which lead them to feel 100 million was possible. What you want is accountability for which president was in office for every last person, which is not what he is promising.
If Biden said "I would bring the DOW to 30k", you wouldn't expect him to first bring it to zero, or to arbitrarily start wherever it left off with the last president.
If Biden said "I would bring the DOW to 30k", you wouldn't expect him to first bring it to zero, or to arbitrarily start wherever it left off with the last president.