I still havent seen the entirety of Gintama myself. Watched till 20 with a lot of breaks. Took me six months, iirc. Then I watched till like 70 (liked the show quite a bit by now) and then, when sure most major characters and their quirks are familiar, I skipped over and watched most major arcs one after the another. And that was when I fell in love with it. Right now, I probably have seen 60-70% of the whole series. And my MAL entry on it is just inaccurate as a result. The season I have watched the least is Gintama'. Enchousen Ive seen completely while first one Ive seen a large part of.
Either way, as for OP, yeah, I guess you're right.
EDIT: I dont know if it is because it is legitimately good or not but I enjoy Log Horzion a lot. The most consistently great on going show imo. Anyone here a fan?