A simple case. Amigans can still use thanks to standards, Usenet and IRC, they can connect to Bitlbee.org to several choices. With Discord and such it's more difficult, but for Jabber there's no isue at all. Ditto with AmiSSL and Jabber, Gemini clients. They can reuse Amiga 4000 machines (or FPGA based ones) and browse small sites, Gopher, connect to Biltbee and make tons of services usable again.

With Nerdfonts, these will be obsolete in further Unicode releases.

GNU Unifont and the unicode table might be backported to the Amiga. With NerdFonts, you need to do twice the jobs.