Why is Vespa so famous?

Could you tell me why Vespa, the iconic Italian scooter, has achieved such widespread fame and popularity? Is it due to its sleek design, exceptional performance, or its historical significance as a mode of transportation? Perhaps it's the way it embodies a certain lifestyle or culture? I'm genuinely curious to understand the reasons behind Vespa's enduring appeal and how it continues to captivate hearts and minds across the globe.