No they are not. Scooters and bikes are a great way to arrive at your destination sweaty, and you are at great risk of being run over by cars.
Multi-modal transportation only works if your coworkers don't care what you smell like.
I won't take public transit unless it's more convenient than driving a car. Nor will most other sane people. Even in the countries with the best public transit, nobody uses it when it is more convenient to drive. It's wonderful for dense cities and it's worthless everywhere else. By "dense" I mean London, Paris, and Tokyo. Once you get even 10 miles outside the centers of those cities you will find that driving is better, and that's what people do.