Fatui goon squads
I was actually happy to see more of these assholes when Dragonspine dropped. Their shields go down in 2-3 hits with counter element, the only annoying one is the hydro because dendro is their weakness.
There's a shield break guide around: https://preview.redd.it/0sougci6uis51.jpg?width=960&crop=smart&auto=webp&s=f6b07ff420eee3d966318ad5ff60324de0d3ef50
Found it while typing this lol
If you DO have reliable sources of sufficient relevant element damages, sure. Which isn't exactly a given, and the way those dipshits are set up mostly just makes them obnoxiously and aggressively anti-fun to fight in general. The hammer guys in particular need to go die in a fire.
Bonus points if they're located somewhere inconvenient, can hard CC you off there and then reset their HP before you can make your way back to them.
Hillybilly archers
Sucrose or Anemo MC is enough to clean the entire squad in one Q.
The little shits aren't hard to kill, obviously. It's just that you need to do it a LOT (have some more mask drops instead of arrowheads lol) and an awful lot of them are located somewhere inconvenient (and wont to get knocked off to somewhere even more so, like behind rocks or off ledges), and/or part of big Churl blobs that quickly get very tedious indeed to clear.
Actually I think my least favourite among the "basic" commonly-encountered Churls are the big shield bois, mainly because their constant yeeting themselves twenty meters off wherever is a pain in the ass for melee chars and often requires inconvenient repositioning for ranged ones. It all just makes things slow and tedious to get over and done with.
I did do full-circuit farming runs on both a few times. Then I looked at the amount of mats gained, eyeballed how much I'd still need (never mind now in the long run), and concluded pushing wood slivers under my fingernails seemed like a rather more fun prospect.
Even the damn Oceanid is preferable. It's RNG bullshit whether it throws tolerable waves at you but at least it drops mats reliably and you don't have to hunt it down in the ass-end of nowhere.