If you want to get things working then never "tinker" with things, maybe it's not worth it. But if you want to learn and be able to try new things it is really helpful. Having a new VM not breaking existing VMs reduces risk when trying something new.
I think GPU passthrough has improved since you have used it. Some command line prep work is still necessary, but the passthrough config is done in the GUI.
Have you used Google lately? At least chatGPT doesn't make me scroll past a full page of ads before giving me a half wrong answer.
Maybe if you wrote better code ...
/Jk
This is worth more time to think about. Thank you.
Syncthing is a better fit for your use case. As much as I appreciate having my Nextcloud setup, it can also be a pain in the ass some times.
Someone I know organized a group buy and bought a box of them.
I am running an Arc A40 on an Ubuntu VM for Plex. They only problem I have is VM not booting after it is restarted. Restarting the host fixes the issue.
https://www.intel.com/content/www/us/en/support/articles/000091844/graphics.html
I would also make sure you have a Proxmox install USB ready to go just in case.
Hell even if all they did was commit to supporting Proton that would go a long way.
The part you are missing is that they are making content that aligns with the majority of their audience. Most people will put in a similar level of effort. Most people don't care, they just want it to work with the least effort possible.
There are mod packs that add a lot of content and progression. As much as I like Minecraft, vanilla gets boring fast. Check out curseforge if you want to check it out.