Maps, particularly Act 3, are too big

I understand the idea of large maps is to slow things down but I feel GGG has overdone it. If I could pick any one map to reduce the size it would be Drowned City in Act 3. In my experience the enemies weren't particularly difficult (River Hags though are obnoxious) but when I made a mistake and died my first thought was "do I want to keep playing" and not "how do I avoid making that mistake again." I had also explored what looked to be the majority of the map but still hadn't found the objective to the main quest. I did find an entrance to The Molten Vault and explored it. I couldn't beat the end boss (I picked the wrong skill for my first buff gem and haven't found a rank 8 buff gem since) so I went back outside and of course the entire map had reset. And again it took exploring the majority of the map to finally find the quest objective.

For you maybe.