But I think you're underestimating just how powerful the raspberry pi has become. From my interest in the Pi, I've since built my own Irdium + GPS + GSM tracker backed by an arduino with a focus on low power. So, again, yes, I guess I'm an advanced Lego builder. But from this interest I'm slowly going deeper and deeper.
I know how powerfull a Raspberry Pi is , actually that is my whole point. It is so powerfull I have absolutely no use for it for my personal use

But seriously let me explain a bit further. The electronics hobby as I know it is first making stuff you don't need as a kid to exploit all possibilities and make yourself familiar with the components. My generation started with the electronic dice PCB's as an example and the electronics boxes with 100 projects.
Starting from basics how do those components function.
Later on the whole exercise of the hobby is identifying a problem and then making a design, selecting the right components (in my generation for digital designs the 74HC and CMOS4000 series) and breadboarding and testing the design. Then came the microcontroller and it was easier to let that handle all non real time aspects of the problem instead of doing it in discrete hardware components, thus born the embedded software.
Still a lot of external components had to be choosen since the microcontroller itself was nothing more then that. Not many peripherals, so search for the ADC/DAC you need etc. Everybody wrote their own code, little sharing. Everyone had to read the datasheet and really understand what was going on and why some decisions were made.
To put it black/white, nowadays someone orders an Arduino and PSU, downloads some code from the net, installs, runs, if it doesn't work right away starts bitching on a forum asking why it doesn't work and wants ready made answers so it works. Not to explore how it works, why it didn't work. This is what I meant with I am unsure if there is a re-birth or just a lot of people that read they can do something and go that way, for instance the mediaplayer on the raspberry pi. Plug Install and Play not much thinking needed there, so those people I would not consider electronic hobbieists. Or would everybody with a PC be called an electronic hobbieist, if that is the definition ok.
On the other hand you show real interest in the matter, are on this forum, probably contribute, read and learn, even switching you curricullum, so good for you and you are not in the above category. So enjoy and start learning also some basics cause some day you are going to need it to solve an issue
