You need a mix of naive enthusiasm and grizzled experience.
It feels a bit like that famous Joel on Software post - when faced with an existing code base - it looks over complex and you can't understand it - so you decide to re-write - only to discover during the process why it's so complex in the first place.
Sure it's important to challenge the status quo - but it's really important to approach it with humility and to seek to understand why things are the way they are, not just to assume you know it all.
It feels a bit like that famous Joel on Software post - when faced with an existing code base - it looks over complex and you can't understand it - so you decide to re-write - only to discover during the process why it's so complex in the first place.
https://www.joelonsoftware.com/2000/04/06/things-you-should-...
Sure it's important to challenge the status quo - but it's really important to approach it with humility and to seek to understand why things are the way they are, not just to assume you know it all.