I've been lurking this thread for days and, what is it about Gen 9 and calling literally everything in Smogon into question? It feels like this Gen more than (before policy was more solidified) has been causing a lot of things we take by granted to be put into question. I have no real argument either way, I just find it so interesting.
I've been lurking too, and I've been seeing one hell of a lot of hot takes going on. It's wild to look at, especially with the new radar. I guess I'll weigh in a little bit.
Sneasler/Dire Claw and Sleep Clause: This whole debate is honestly ridiculous. Sleep Clause is fine as it is, and this isn't Gen 5 where Sleep is completely and utterly busted. Sneasler should go until if and when a new Dire Claw user comes in so that Sneasler doesn't get preferential treatment compared to Houndstone. (Houndstone was banned entirely due to Last Respects, once Basculegion came out, there was a new LR user, so LR got axed and doggo came back.)
Magearna: This is probably due to the set I've been using, but I generally don't find it to be overly broken. Dirge checks it like Dirge checks Volc. If they have the out, they have out. If not, then it's free real estate to just Torch Song into oblivion. Or Earth Power. Steels also check it pretty well.
Garg: I'm still mid on this one. It isn't broken, but it is an annoyance you still need to be conscious of when building. I haven't seen it in ages, and even if I do, my Gastro just sits on it (among other Pokemon I play with.)
Zama/Zaci squad: Terrifying AF, not going to lie. It's funny watching a Zaci commit a CC into my Corvi just to be instantly revenged by my Gardevoir next turn. (I've been loving Garde lately.) But Zama is just... Super scary. You kind of need to have a good check to it, like Corvi or various Unaware mons. A lot of dancing going around Zama.
Ursaluna: Haven't faced this yet, but this thing looks stupidly scary... Dumb powerful. Slow, sure, but has a decent enough move pool and high enough raw offense to be a threat to anything. The fact that Guts SD Tera Normal Facade can bonk something like a PhysDef Corvi in 1 is wild.
Lando-T vs Tusk: I've watched this to hell and back since Home dropped. The fact that Lando-T lost Defog and Knock Off makes me feel that Tusk is going to be the superior Pokemon overall. Lando-T has more switch-in and speedier threatening opportunities over Tusk, but Tusk has way better role compression and usage.
Urshifu: Haven't faced it, but it looks dumb af to have all hits be crits via Surging Strikes.
Light Clay: Hoo boy, time for a hot take everyone. Hold onto your color! Historically, I haven't had any issues with screens. Anyone who knows me knows that I LOVE running my Corvi/Gastro defensive core. Corvi's Defog wiping away Screens is the most satisfying thing ever. We also have other means to wipe screens -- Brick Break (unoptimal), Psychic Fangs, and Raging Bull. PF and RB are hyper specific, but should be considered none the less. Whenever I've played against screens, I've always either been able to play through them due to not tossing my Pokemon away needlessly, or just wiped them with Defog/Raging Bull. (Infiltrator also exists.)
However, it's been shown that in the SV metagame, Screens, along with Shed Tail, have been known to severely enable some of the most powerful (and at times broken) sweepers in the game. Ape, Espathra, Volcarona, and a small handful of other Pokemon that while DEBATABLY manageable on their own, Screens/Sub makes them a nightmare to deal with.
Personally, I'd rather see the mons go rather than Light Clay itself, as in other formats of lower tiers, with Light Clay gone, problematic sweepers still did their thing behind 4 turns of screens instead of 7. I don't even use screens, I just find them too slow overall. (Outside of Raids, that is.)
Also, even though she's RU, I think people shouldn't sleep on Scarf Gardevoir right now. She's such a beast when you play her properly. I've been having a blast bonking various higher tier Pokemon, and even revenge killing a few.