Yes this is literally par for the course for every single presidential campaign in history.
They promise what they'll do. They don't say try to do because that's been tested in marketing and certainty sounds better. Nevertheless it's not Biden's fault his agenda for what he's been voted into office on is being blocked by the opposition for poor reasons.
The question isn't why isn't Biden doing this, the issue is why are Republicans blocking it and why aren't you trying to convince them and their supporters?