The place is awesome, mainly now in spring with al...

The place is awesome, mainly now in spring with all that huge variety of tulips and other spring flowers. However those crowds (especially during Easter holidays are enormous). Yes, they all fit in, but one would enjoy the relaxing atmosphere of the gardens a bit more if there was one tenth of the people.
You can get nice experience doing a bike ride around Lisse and neighboring towns too with a bit more sport and a little less crowds. Tulip fields are almost everywhere.