What I've been appreciating more about jynx (in lieu of our previous discussions around normal move egg) is how much you have to give up to beat it. I think its floor is probably always going to be limited by the bad matchups it can have, but given that those (gar lead or normal egg) are big concessions that make you worse off into many teams, counterteaming it always feels a little like a gamble.
This is why I've been really liking Jynx Mie Don lately. I remember sceptross saying he thought it was the best overall team into the meta, which seemed crazy to me at the time for how it gets demolished by gar (although usually only 70% of the time, and boom can go very wrong); but if most of the stuff that ruins it is inconsistent and "suboptimal," it's probably still a good team. I'd rather be good into the strong teams than the weak ones and put the onus on them to fish me, it could very well backfire for them if I decide to play something else.
My favorite way to deal with jynx currently is probably sing toss chansey to bully the jynx for my tauros, but that feels a little awkward to fit sometimes too, because you have to fit anti-starmie tech somewhere else (beamlax, bolt mie, zap), which in conjunction with toss chansey usually leaves you worse off against don or zap in some capacity. That may be another case of having to accept the team's bad matchups, but being weak into zap/don feels way worse than being weak to gar or normal egg given how much more common/stronger the former are.
Overall, if rbypl is anything to go off of, I think this spl season is going to have a lot of jynx's, as players seem to be appreciating its talents more and more. Hopefully we see people working on new strategies to crack it open (progress!!!). Given how many jynx teams have backup sleep and/or egg now (making gar lead extremely inconsistent), my money is on normal move egg making a comeback. Perhaps we'll see some tauros lead? In rbypl us haymakers used a lot of jynx + backup sleep to answer opposing jynx, which felt like the most consistent answer; but I'm curious to see what people find next.