
Yeah if you’re at fishman and you’re still questioning, watching probably isn’t the route for you. The story is still fantastic and absolutely worth experiencing (despite Toei’s best efforts to shoot it in the foot), so I would recommend reading the manga if you really do want to get caught up.
If it’s specifically an issue with fishman island, you can watch the remade log version which significantly cuts down on pacing issues and makes it like half the size. For Wano, I personally enjoyed it myself and the episode count wasn’t an issue for me, but if you find that annoying, there’s always One Pace