Some SBCs only boot from said SD card though, while some do support more robust media. However, too many images are presuming you boot from SD which is a pita.
With or without Das Uboot, they still rely on board specific firmware (even Uboot is customised for many boards to make it work). OSes that state they do support aarch64, often require to have UEFI on your system so no way they are gonna boot on e.g. your Raspberry Pi.
Add to that, that is unlikely that browsers compiled for arm64 will have feature parity with their x86-64 counterparts. Goodbye Digitale Rights Management, and with that goodbye services like Tidal or Spotify (unless you run an OS that is still supported by their apps).
The downside of allowing them is that the community may get flooded with USpol posts that are as of now hard to filter on Lemmy. So I vote to keep them out. However, to stop getting all those reports on what right now are considered unwritten rule violations (at least by some of the community) I strongly suggest to make more explicit rule on this in the sidebar.
It kind of makes sense on many BIOS/UEFI-less systems where e.g. Uboot is used. And it does contain things like kernel images, sometimes initRD files etc. (which may not be bootloader files but are still system boot files).
It did when it was still called Calckey, but around the time of the rebranding their main server got into issues (Kainoa, the previous maintainer, was messing around with it to improve performance but that just broke things).
Did the Misskey network not advise against e.g. EU people signing up because of legal reasons like GPDR?
Anyway, Iceshrimp works very much as intended and has active development so that could be an alternative for some people (have no experience with Sharkey).
HumanPenguin is from the UK, where Irish people have always been considered white. Past discrimination between the Irish and other Brits had nothing to do with the colour of their skin.
*Fiat Multipla
That said, the second gen looks alright.