Keep in mind that you only have a 25 minute drive because so many other people are taking public transport, if it was ripped out you'd have a much longer commute so it is very practical for you, albeit indirectly.
> That 40 minutes a day is very valuable to me
Depending on how crowded the tram/train is that 40 minutes can usable time with a smartphone or laptop, it's not in a car.
To each their own. I'd always take train, even if I couldn't use the time for anything.
I have never been in any train or tram that has anywhere near enough room to use a laptop. In peak hours I try to even avoid using my phone - there's simply not enough room to have a raised hand near your face without the hand also being in someone else's face.
The long-distance trains (like the Quiet Carraiges to Geelong) have more room, and in Perth I could use a laptop for the first ~30min of my journey before the train filled up.
Outside of peak hours is an entirely different story.
You're not doing anything wrong by driving a Tesla, and it's preferable to an ICE.
But you aren't doing more for the environment than someone who only takes public transport, which is practical and quite common here.
I also moved to Melbourne recently, and my theory is that the love of trams is inertia from a time where congestion wasn't so bad.
I prefer to walk within the city loop, but both activities would be so much faster and more pleasant without the cars.
There are quite a few Teslas that drive around here with wanky number plates like they're doing the world a favor, which in a city with such usable public transport always makes me cringe.