Yeah, MorphOS is neat. However it's more of a "tinker" OS for many as there aren't any good office suites. Only simple text, rtf stuff. That's about it. For classic Amiga games, listening to music, watching videos and browsing the web casually it does fairly well though.
I've never had an issue with WPA2 honestly. My 15" powerbook, mac mini, and powermac G5 all connected no problem.
As for the backlit keyboard, i don't remember if it worked or not. I bought the license for my mac mini because i really like dual booting Leopard and Lubuntu 12.04 Remix on my 15" powerbook. For the record, back lit keyboard does work on 12.04 Remix and also on Void-PPC Linux. It always acted wonky on Ubuntu 16.04 (including 16.04 remix) and Debian 10 for me however.
My suggestion would be to install MorphOS so you get the "real" feel of it. Install some software and play with the 30 minute demo mode for a few weeks (rebooting every 30 minutes). If you like what you see buy it. It took me a few years to break down and buy a license. I used it for a month or 2 and now i never really use it. I still have more fun with Leopard and Linux, and can do more with them. It is a cool OS though, and it is fast. It just lacks in some areas in my opinion and crashes quite often. Thankfully it reboots in like 15 seconds.
Cheers