Furina is the weakest archon for me so far, and by a distance. But I've yet to get completely up to date with the story so maybe my view will change.
I think it's clear what they're going for, but she also comes across as a moron. I think Raiden is divisive in some camps because of her actions.
The split on Furina seems more to do with her general demeanour and attitude. The latter is easier to readjust, even if a little less interesting.
I'm looking forward to getting stuck into the story. I only like to pull characters I genuinely like so I hope she can win me over in some sense.
I think the new daily commission system introduced in 4.1 also helps a lot with the enjoyment of events, at least in my case.
Previously I didn't do events at all during weekdays (I used to do so during my first 1.5 year but stopped), especially event gameplay because after getting home tired from work, doing daily commission and burning resin already gets me my Genshin fix for the day. Accumulating event gameplay and do it at once during weekends isn't exactly fun either.
However, with the new system, I can just play events bit by bit every day and get my daily commission reward at the same time. This helped me enjoy the events much more than before. I did 4.1 flagship event on the day it was released and still had time to write my thoughts about it afterwards.
Super late response, but - when I'm playing a little bit less like now, I'll generally wait until the event is all there and I can tackle it in one go.
Typically I'd do it as it became available though. I generally don't mind commissions but I do wish they'd lock you into a chain like Star Rail.
It's disheartening to keep hoping for the next stage of the chain to randomly pop up one day. It can take weeks sometimes.
Still, maybe that's something they'll look at in the future.